The following formula describes the number of hotdogs sold, N, based on the price, p. N=-4p^2 + 20p + 7How many hot dogs will they sell at most if the formula is accurate?

Can (2,3 and square root 10) be sides ona right triangle?

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?