Your mother gave you $9 to buy a gift, which only covered 3/10 of the total cost. how much was the gift?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)