How many miles per gallon does Joseph’s car run on? _ miles per gallon

And answer the Part b so i make sure i'm right or wrong.

What are “like terms”? why can we only add like terms?

Which expression is not a polynomial?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2