Caroline purchased 2 7/8 pounds of apples, 3 1/4 pounds of strawberries and 1 1/2 of grapes. what was the total weight of fruit? (6 9/14 or 7 5/8)

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

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

The anwser cause i do not understand just plez