The probability of winning a spelling bee and winning a checkers game is 10%. The probability of winning a checkers game is (a) What is the probability of winning a spelling bee? (b) You enter 10 spelling bees. How many do you expect to win?​

What is the binomial expansion of (2x-3)^5

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6