A
(X-7)(x-4) -> x^2 -11x + 28
Multiply that by the 2 and you get the original equation!
Answer:
38
Step-by-step explanation:
38
Answer:
87 degrees
Step-by-step explanation:
For this problem we can use a proportion to solve.
Set up the proportion.

Cross multiply.

Divide.

So, it would cost $13,200 to have a 1,100 square foot roof installed.