The answer is a i took the same test
I figured out the first question, the second one in lost on.

Factor both of the equations, numerator and denominator

Cancel the like factors *excuse the zero im just showing you*

Combine frunctions

x-9=0
x+7=0
Restrictions are 9 and -7
Answer:
52
Step-by-step explanation:
Answer:
11 book shelves
Step-by-step explanation:
All you have to do is divide 69/9 =10.66
round up and get 11 book shelves
17<h=42.
Not sure if you need to know, but h=59.