Answer:
13) 
14) 
15) 
16) 
Step-by-step explanation:
13) 
14) 
15) 
16) 
Here is your answer: Combine like terms: 4a+2a=6a and 8b-6b=2b Your answer is 6a+2b
Nine plus a unknown number equals unknown.
Answer:
The answer is 4 minutes
Step-by-step explanation:
I divided 825 by 3 and got 165. If you multiply 165 by all the factors, you get approximately 4 minutes. It's the closest. Try that one.