A marching has 4 rows of trumpets with 10 trumpets in each row. How many trumpets are in the marching band. Use distributive property to solve.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x