You spin the spinner and flip a coin. find the probability of the compound event. the probability of spinning a prime number and not flipping heads.

Aschool typically sells 500 yearbooks each year for 50 dollars each. the economic calls does a project and discovers that they can sell 100 more yearbooks for every $5 decrease in price. the revenue for yearbook sales is equal to the number of yearbooks sold times the price of the yearbook. let x represent the number of $5 decrease in price. if the expression that represents the revenue is written in the form r(x)=(500+ax)(50-bx). to maximize profit, what price should the school charge for the yearbooks? what is the possible maximum revenue? if the school attains the maximum revenue, how many yearbooks will they sell?

What is the 12th term of b(n)=-4-2(n-1)

Describe the relationship between the angles of similar triangles and the sides of similar triangles