How fast can the average person solve a rubik's cube?

What is the inverse of f (x) = x^2+5 and is it a function?

A large ice floe is floating at a speed of 3 kilometers per hour. A polar bear leaves the floe and swims in the opposite direction at 9 kilometers per hour.

What is a even number

8 out of 10 of the people at the circus are kids. if 575 tickets were sold, how many are expected to be kids?

Suppose that the length of a certain rectangle is 8 meters less than four times its width. the perimeter of the rectangle is 54 meters. find the length and width of the rectangle.

4.875 inches long in expanded fraction form

What does n equal when - 3 < n-8

Paul spent 3/8 of her allowance on clothes in 16 on Entertainement what fraction of her allowance did she spend on other items

If y varies inversely as x and y 27 when x 40 find y when x 10

A hollow cylinder, open at one end, is constructed of thin sheet metal. The total external surface area of the cylinder is 192pi cm^2. The cylinder has a radius of r cm and a height of h cm.