Answer:
y=-4x-8
Step-by-step explanation:
use the equation y-y1=m(x-x1) and solve for y
So you're going to do to .5 * 10
A) 2L + 2W = 80
B) L = 3W or L -3W =0
Multiplying Equation B) by -2
B) -2L +6W = 0 then adding equation A
A) 2L + 2W = 80
8W = 80
Width =10
Length = 30