Raphael paid $656 for a camera during a 20% off sale. what was the camera's regular price?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter

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