What is the surface area of this design?
400 in2
8 in.
640 in
384 in2
256 in
8 in.
8 in.

i need hel pl

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28