1) five of ten people earn $0, four earn $100, and one loses $100. what is the expected payoff? what is the variance of the payoff?

Find the equivalent fraction 2-4=__2

What's the slope intercept of 6+x=2y

James won 7 out of 10 games what fraction of games did James lose?

Queen Zubaida wishes to choose a Satrap and a Vizier from among her $12$ courtiers. How many different ways can she assign the two roles, assuming the same person cannot fulfill both roles?

Cost of 9 candies at $1.11 each?

95 more than the quotient of an unknown number and 75 is 96. What is the equation for the statement shown?

12 red markers to 12 blue markers

Cathy volunteered to collect cans for a school project. cathy collected 125 cans in 5 days. there were 6 volunteers including cathy who each collected about the same number of cans. about how many cans did they collect?

Two friends share 7 cookies equally. How many cookies does each friend get?

Ba=bc-2d. Express b in terms of c and d