Which situation has a probability of 1/2? A. picking the number “5” from the integers 1 to 10

B. rolling an odd number on a fair 6-sided number cube

C. randomly choosing the letter “s” from the word “Mississippi”

D. randomly choosing a boy out of a class containing 8 boys and 12 girls

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?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.