There is 12 and 15 of a pizza left. how many pieces can be made from the leftover pizza?

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

What is the result of adding the system of equations? 2x+y=4 3x-y=6