Find the maximum profit and the number of units that must be produced and sold in order to yield the maximum profit. assume that revenue, r(x), and cost, c(x), of producing x units are in dollars.

r(x)=40x-0.5x^2, c(x)=5x+15

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?