A store owner estimates that by charging x dollars each for a certain brand of sunglasses, he can sell 40−x pairs of sunglasses each week. The quadratic function R(x)=−x2+40x is used to find the revenue, R, received when the selling price of a pair of sunglasses is x. Find the selling price that will give him the maximum revenue, and then find the amount of the maximum revenue.

answer: finding the extract measurements and knowing the points

step-by-step explanation:

multiple all that

step-by-step explanation:

27×17

the area of the rectangle is 35units^2.

step-by-step explanation:

graph it and find the distance.

it is a 5*7 rectangle.

therefore the area is 35units^2.

alaska, florida, nevada, south dakota, texas, washington and wyoming, tenessee and new hampshire.

step-by-step explanation: