Answer: B
Step-by-step explanation:
It's the first one you can just add or multiply the expressions to get the answer
Well let's see first we have to divide
132 divided by 12 is 11
Now to check and prove your answer we should use the multiplication.
11 times 12 is 132.
So now you have a solid answer with proof behind it.
If u need a sentence you might want it to go something like this;
Matt brought 11 packs of baseball cards since 132 divided by 12 is 11. 12 times 11 is 132 cards.
Hope I helped!
Answer:

Step-by-step explanation:
Exponential function
is
increasing if 
decreasing if 

Answer:
3.B
4.A
Step-by-step explanation: