Prove that (y+6)(y+3)-y^2 is a multiple of 9 when y>0

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Solutions for 2x+7 less than or equal to 3x-5

Find the distance between (0,5) & (-4,2)