EMERGENCY! Please give me the correct answer!

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

On saturday a souvenir shop had 125 customers. sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

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