The sale price of a new compact disc player is $212 at a local discount store. at the store where this sale is going on, each new cd is on sale for $13 each. if kyle purchases a player and some cds for $238, how many cds did he purchase?

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2