Answer:
idk im sorry
Step-by-step explanation:
Answer: the 1st one.
Step-by-step explanation: becuase today I was helping out a freind with this. So it the first one
Answer: $26
Step-by-step explanation:
Let the number of $2 price increases be x.
This means that if the price is 10+2x, 42-2x shoes are sold.
So, the revenue is (10+2x)(42-2x).
To maximize profit, we must maximize revenue.

The maximum is at
, so the price should be 10+2(8)=$26.
I get C for this one...I multiplied each of the numbers in the first by all in the second then combined like terms....hope this helps