It wont open it up, so no one can really help
Answer:

Step-by-step explanation:
First, we open the parentheses by multiplying the contents of the parentheses by 3 (because it says 3(2x+6)). The final result is <u>6x+18</u>
Answer:
20
Step-by-step explanation:
do 5% of 400 which gives you 20 for your answer
When you divide two powers of the same base, you subtract the exponents:

This means that, in your case,

So, if
, the equation becomes
