Step-by-step explanation:
Answer:
multiply by 2
c. 4x + 20 = 140
Perimeter = 140 feet
Width = L + 10
P = 2w + 2L
P = 2(L + 10) + 2L
P = 2L + 20 + 2L
P = 4L + 20
Y-1=5/3(x-3) (aka b)