Answer:
Adding the exponents
Step-by-step explanation:
Multiplying exponential terms with the same base
To multiply exponents with same base , we use exponential property

When we multiply exponents with same base then we add the exponents
So, adding the exponents best explains to simplify the expression that has same base with exponents .
9m - (5m + 2)
9m - 5m = 4m
4m + 2 is your answer
hope this helps
Answer:
Choice a: 
Step-by-step explanation:
All you have to do on this one is add the 7 on both sides.

So the answer is anything greater than 5.
Answer:
The value of 
Step-by-step explanation:
We need to find 
We have
