Answer:
I would say 45
Step-by-step explanation:
180-90=90
90/2=45
Answer:
pls explain in more detail and attach pic cus ive got no clue what ur asking
Answer:
y=-4
Step-by-step explanation:
Answer:
You have to know the basic properties of exponents.
Jill's answer is wrong because you add the powers when there are like bases. You don't multiply.

-3+6=3
The base stays the same.