Today, I went to the grocery store and bought avocados and oranges. I bought a total of 28. Avocados are $1.00 each and oranges are $2.00 each. I spent $44 Write a system of equations that models this problem and solve it by linear combination. a.) Name and identify your variables: b.) Write your system: c.) Solve your system, show all work and state what you did in each step PLEASE HELP IT LOCKS SOON I NEED THIS ANSWERED

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?

Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.