8 ≥ y + 3 is the answer to problem 7. Also, in problem 5, I couldn't help but notice that the sign should face the other way but still include the equal to sign underneath it, because it should be 4 at MOST, meaning that 4 must be greater than or equal to y + 7.
Answer:
A≈61.94
Just plug it into a calculator
I believe the correct answer is he paid the right amount
it would be 160 feet wide
Constants are 4,3. The coefficient is 4.