Answer:
15x+10
Step-by-step explanation:
Answer:
pairs
Step-by-step explanation:
Given
Profit on selling 'x' pairs of shoes is 
Find the derivative of the function to find out the critical points

Thus, for 4 pair of shoes profit is maximize.
Because anything multiplied by one is that number. If you have 3/4 one time, then it is 3/4.
Answer:
It is the third one
Step-by-step explanation:
if that was the question even, I chose this as dilation is basically just getting bigger or smaller but without rotation,sliding, and none of the sides should be changing