Answer:
3
Step-by-step explanation:
Answer: A
Step-by-step explanation:

Divide as usual.
9/9=1
45/9=5
After this, subtract exponents.


or

Answer:
Step-by-step explanation:
Yo when you get these kind of questions you can use desmos calculator, for the future.
Answer:
Negative
Step-by-step explanation:
Answer:
1/2x = 16
x = 32
Step-by-step explanation: