When constructing parallel and perpendicular lines, how are the steps similar?

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?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position