Ryan is putting money into a savings account. He starts with $750 in the savings account, and each week he adds $30. Let S represent the total amount of money in the savings account (in dollars), and let W represent the number of weeks Ryan has been adding money. Write an equation relating S to W. Then use this equation to find the total amount of money in the savings account after 19 weeks. Equation: Total amount of money after weeks:

For the function, f(x) = -5x 2, find f(-4).

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.

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.