The revenue (in millions of dollars) from the sale of x units at a home supply outlet is given by R(x)equals=0.210.21x. The profit (in millions of dollars) from the sale of x units is given by P(x)equals=0.0860.086xminus−1.11.1. Find the cost equation. What is the break-even point?

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?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Me asap! what is the slope of this line? enter your answer in the box.