The equation−3(2x −5)=−12x +15 −18x is solved by four students. They each show the first step of their work. Which student has an invalid first step?

Answer: Student X and Y

Step-by-step explanation:

Student W started off correctly as they simplified the first expression and got rid of the parentheses.

Student Z also started off correctly as they simplified the second expression and combined the like terms.

I don’t see what students X and Y did as their first step but I hope this helps. Sorry if it doesn’t

Density is measured in units of mass per units of volume. It can be thought of as a unit rate. The mass of a block of aluminum is 9.45 grams. The volume is 3.5 cubic centimeters (cm³).

What is the density of aluminum?
I NEED HELP ASAP PLZ 20.PTS

Which of the following is part of the set of integers?
A. negative whole numbers
B. zero
C. natural numbers
D. positive whole numbers

...... you can choose more than one

sorry for no picture earlier, anyways pls help

Frederick purchased a large amount of candy for a school event. After the event, of the candy was left over. Frederick put of the left over candy in the faculty break room, and then he took the rest of it home.

Select the expressions that could be used to determine what fraction of the original candy Frederick took home.

How do I do this?? :(
"Is there only one way to break up a 2-digit number into tens and ones? Explain."

The diver is on (-6, 3) on the coordinate plane
The Treasure is on (7, 3) on the coordinate plane

How far is the diver from the treasure.

explain why 0.32 is greater than 0.102

PLEASE HELP ME ;-; ILL MARK AS BRIANLIEST IF ITS RIGHT
The event coordinator asks you to determine how many students participated in the
track-and-field day. The total number of students in seventh and eighth grade
combined is 584; 5/8 of them are seventh graders and 3/8 of them are eighth-graders. If 4/8 of the seventh graders participated in track-and-field day and 7/8 of the eighth graders participated, about how many total students participated? Describe the process you used to find your answer.

please help
If the team’s average time is less than one minute per leg, then the eighth graders earn 50 points. If not, the seventh graders earn 50 points. Which grade should be awarded 50 points?

Carter was given a box of assorted chocolates for his birthday. Each night, Carter treated himself to some chocolates. Carter ate 5 chocolates each night and there were originally 30 chocolates in the box. Write an equation for C,C, in terms of t,t, representing the number of chocolates remaining in the box tt days after Carter's birthday.

The table shows the number of people waiting in line for different rides at an amusement park.What is the ratio of people waiting in line for the Round-up to people waiting in line for the Slingshot? Roller coaster 15 Slingshot 4 Bumper cars 12 Round-up 11

Help me pls letter c po

Quadrilateral Q’R’S’T is a dilation if quadrilateral QRST, with the origin as the center of dilation.

What appears to be the scale factor used to create this dilation?

4

0.5

2

0.25

Please help me ASAP
I will give brainliest

30° is used in a pie chart to represent 5 people. How many people were there altogether???

Answer the best you can please :)

In 2017, a rock band held a concert in Atlanta, Georgia. The attendance was 53,500. However, in 2018, they returned to Atlanta, but the crowd was only 41,900. What was the percent change in crowd attendance from 2017 to 2018? *

An increase of 21.68%
An increase of 27.68%
A decrease of 21.68%
An decrease of 27.68%

Pls answer this:

Sam invests $300 in a bank account that earns simple interest. He earns $24 at the end of 12 months. What is his interest rate?

how much warnings does it take until my account dies.

( I have 9 warnings as seen on the picture. )


A ) 10


B ) ∞


C ) Until they send a message


D ) WHY WOULD I KNOW

Match each value of y with the corresponding value of the function?
f(y) = y + y 2 - 3

1. f(-2) a. 9
2. f(-4) b. 3
3. f(0) c. 17
4. f(2) d. -1
5. f(4) e. -3

Mr. and Mrs. Simpson went to two movies. The first movie lasted 2 1− 3hours and the second one lasted 1 4− 5hours. How much longer was the first than the second movie?

A forest covers 33,000 acres. A survey finds that 0.8% of a forest is old-growth-tree. How many acres of old-growth-trees are there?

i need some help over here

how do you do
this

(move 3 circles to make the figure upside down

Of the 200 packages of bagles sold, 15 of them are sesame seed bagels. What percent of the bagel packages sold are sesame seed bagels?

GIVING BRAINLIEST! I have a plagiarism checker-

Please answer the following essay question:

Explain why we need to have a common denominator in order to add or subtract fractions.

Answer in paragraph form using complete sentences and include any calculations, graphs, and labeled diagrams as appropriate.

Paul will pay for his new car in 36 monthly payments. If his car loan is for $19,061, then how much will Paul pay each month? Round your answer to nearest cent.

The coldest recorded temperature in the United States is –80°F, in Alaska. The warmest recorded temperature in the United States is 134°F, in California. How much higher is the warmest recorded temperature than the coldest recorded temperature?

Three out of five people surveyed said that Shrek 2 is better than Shrek 3 and Shrek 4. If a total of 560 people are surveyed, how many would you expect to agree that Shrek 2 is better?

Determine whether the graph represents a proportional relationship.

a) Yes, it is a proportional relationship because the graph goes through the origin
b) No, it is not a proportional relationship because the graph does not go through the
origin
c) Yes, it is a proportional relationship because the graph is a straight line
d) No, it is not a proportional relationship because the graph is not a straight line