Answer:
Leave em alone or go be noisy?
Step-by-step explanation:
Answer: 300 square feet
length of walkway = 20 + 2x
width of walkway = 15 + 2x
A(x) = (20 + 2x)(15 + 2x)
A(x) = 300 + 30x + 40x + 4x2
A(x) = 300 + 70x + 4x2
Answer: 1/4
45
x=114
-11=x/-6+8
-19=x/-6