William left a 20% tip on a $15.80 lunch bill. How much did he pay for lunch?

Answer:

$16 should be the answer

Step-by-step explanation:

Answer:

3.16

Step-by-step explanation:

Help Please I will give Brainliest and 14 Points!!

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5.85.85, point, 8 5.85.85, point, 8
7.57.57, point, 5 7.57.57, point, 5
11.211.211, point, 2 11.211.211, point, 2
Find the constant of proportionality (r)(r)left parenthesis, r, right parenthesis in the equation y=rxy=rxy, equals, r, x.
r =r=r, equals

Please help me I will give you the brain thing with extra points, please help me. 3/5

Khan Academy PLEASE SOMEONE HELP FASTTT!!!!

Can someone help me on this question? Harry and Tim both made New Years resolutions. Harry made 5 more resolutions than Tim. Together they made 13 resolutions. How many resolutions did Harry make?

Please help

.....................................................

first question:

Which mathematical property is demonstrated?

5⋅7⋅4=5⋅4⋅7


associative property of addition

commutative property of addition

commutative property of multiplication

associative property of multiplication

...................................................................................

2nd question:

Which expressions are equivalent to 4⋅(7⋅y)?

(choose all correct answers)

1. (7⋅y)⋅4

2. 4⋅7+4⋅y

3. (4⋅7)⋅y

4. 28y

5. 4⋅7⋅4⋅y

....................................................
Last question
is 3(a−b) and 3a−3b Equivalent? yes/no


is 2a(2+b) and 4ab Equivalent? Yes/no


THANK YOU!!!

What is the final price of an item that cost $14 with a 75% discount

Simplify 6(x + y) + (x - y).

6x
7x
7x + 6y
7x + 5y

Select all that apply.

Green pencils are priced at $1.28 for 4. Blue pencils are priced at $5.52 for 24. Which of the following statements are true?

The unit rate for green pencils is $0.32
The unit rate for blue pencils is $0.28
The green pencils are priced less per pencil
The blue pencils are priced less per pencil.

need an expert verified answer

So, this is hard for me ;(( But can you guys help me???

A computer manufacturer built a new facility for assembling computers. There were construction and new equipment costs. The company paid for these costs and made combined profits of $10 million after 4 years, as shown in the graph:

There is a graph of a line with Years on the x axis and Profits in millions on the y axis that passes through 0, negative 20 and 4, 10.

Which equation most closely represents the line depicted in the graph?

f(x) = −10x + 4
f of x equals fifteen halves times x minus 20
f(x) = 10x − 4
f of x equals two fifteenths times x minus 20

What is the value for "m" that makes the equation true?

9 =[tex]\frac{3}{8}[/tex]m

m = ?

Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 126 times in 7 minutes. What is her blinking rate, in blinks per minute?

A group of 80 students was asked to share how they get to school most of the time. The following circle graph represents their answers to the question. How many of the students walk to school most days?

0
24
20
25

Please help me I will give you the brain thing with extra points, please help me. 1/5

whats 1/4x1/4x1/4x1/4 please

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PLEASE HELP ME ASAP!!

Fifty percent of the area of this rectangle is shaded. What is the area of the shaded region? Explain your thinking.

Which cube is a unit cube?
A cube that is 7 feet long, 7 feet tall, and 7 feet high
B a cube that is 1 meter long, 1 meter wide, and 1 meter high
C a cube that is 5 inches long, 5 inches wide, and 5 inches high
D a cube that is 15 centimeters long, 15 centimeters wide, and 15 centimeters high

help me with this plz

Which number is equivalent to 3^4/3^2
A 2
B 9
C 81
D 729

what is an example of a negative number and a non-example of a negative number? plz this is for homework

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Part 2#
Practice (need help with 1 2 and 3)

5 The smallest angle of a triangle, in degrees, is p.
The second angle is 4 times the smallest angle.
The third angle is 5 times the smallest angle.
a Write an equation for the angles in the triangle in terms of p.

b Find the size of the largest angle in the triangle.

b in paticular

Need some help here please

Three friends, Larry, Sheila, and Dawn, each begin the week with $20. The following table shows how much money the
friends have at the end of each day.
Larry
Sheila
Dawn
Day Money Remaining Day Money Remaining Day Money Remaining
1
$20
1
$20
1
$20
2
$18
2
$15
N
$14
1 2. 3 4
$9
$10
3
$7
3
4
5
$6
$5
4
$0
$2
5
$0
5
$4
At the end of the week, which of the friends has the least amount of money?
Sheila
Dawn
All friends have the same amount of money
Larry

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA this is extra cedit in my class and i need it, can anyone help me out??

Kristi had $3,250 in her bank account. Currently, she has $2,730 in her account. What is the approximate percent of decrease in her account?

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HELP PLZ I WILL GIVE BRAINLIEST!!! Write the prime factorization of 675 using exponents.