Use mental math to approximate what a 15% tip would be for a bill of $31.99.

a.

$3.20

b.

$4.80

c.

$5.60

d.

$6.40

Find the equation that is perpendicular to 7y = - 3x passing through (9,1).

Sort the given steps in order to correctly solve the following equation 7 (2x-1) - 11=6+6x 1. 8x-18=6 2.14x-7-11=6+6x 3. x=3 4.14x-18=6+6x 5.8x=24

ok so im doing a math quiz and i need to turn it in before 2:40 can you tell me the answer |-3-x|-2=5

What is 76.78 rounded to the nearest whole number? 76 77 76.7 76.8

As students walk into Mr. Jackson's class, they are randomly handed either a blue, yellow, green, or red card. If there are 8 boys and 12 girls in the class, what is the probability that the student chosen by Mr.

The system ax+by=c has the solution 2,-3, where Dx+ey=f. A b c d e and f are all non-zero real numbers select all the systems of equations with the same solution

The number of poetry books on Brianna's bookshelf is 5 less than twice the number of novels. Call the number of novels n. Write an expression for the number of poetry books. Jack bought a sandwich and a coffee.

What 3 digits are in the units period? 4, 083,817

Use greatest common factor and the distributive property to write quivalent expressions in factored form for the following expressions: a. 4d + 12e b. 18x + 30y c. 21a + 28y d. 24f + 56g

Zoe has five pounds of potatoes and she has multiple recipes that requires 3/4 pounds of potatoes. How many recipes will she be able to make?