Eight people are entered in a race. if there are no ties, in how many ways can the first three places come out?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.