Answer:
their are five diffreant codes.
Step-by-step explanation:
The answers for this question is B,F,and G. If this isn't for the Math Nation then i don't know what the answer is considering that there isn't any information to find out the answer for this question.
Answer: 300 square feet
Step-by-step explanation:
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