find the actual sum 1 and 3/4+1 and 1 and 5/8 to determine how much David grew in. two years. Use the estimate to explain how you know your answer is reasonable. show your work.

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

Ty received 3/5 of his cds as gifts. if he has 60 cds, how many were gifts. explain: