Two student clubs plan to share a bus on a trip to the capital. Transportation and lunch for one day is 12 bucks per student. One club has 25 members and the other club has 18 members. What is the total cost of the trip

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

Ineed in figuring out this problem.

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?