What is the result of subtracting the second equation from the first ? -7x-y=0 and 7x+8y=-6

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000

Which rule describes the composition of transformations that maps △abc to △a”b”c

Find the root(s) of f (x) = (x- 6)2(x + 2)2.