A rectangular box having no top is three times as long as it is wide, and two times as tall as it is wide. If its volume is 750, what is its surface area?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Standard deviation of 19,29,21,22,23