eric has 2 1/3 cups of raspberries, 1 3/4 cups of strawberries, and 1 2/3 cups of blueberries. how much more raspberries is needed that blueberries?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

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

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.