Mario is going to build a box without a lid, whose volume must be 312 cubic centimeters; you will use a rectangular sheet in which you will cut squares of 2 cm per side at the corners. If he knows that the total surface of the sheet after removing the squares is 256 square centimeters, what are the dimensions of the sheet?

Aschool typically sells 500 yearbooks each year for 50 dollars each. the economic calls does a project and discovers that they can sell 100 more yearbooks for every $5 decrease in price. the revenue for yearbook sales is equal to the number of yearbooks sold times the price of the yearbook. let x represent the number of $5 decrease in price. if the expression that represents the revenue is written in the form r(x)=(500+ax)(50-bx). to maximize profit, what price should the school charge for the yearbooks? what is the possible maximum revenue? if the school attains the maximum revenue, how many yearbooks will they sell?

Josephine has a great garden with and area of 2x2 + x - 6 square feet

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1