Aschool typically sells 500 year books in a year for $50 each. the economics class does a project and discovers that they can sell 125 more year books for every $5 decrease in price. the revenue for year book sales is r(x)= ( 500 +125x )( 50- 5x )

to maximize the profit what price should the school charge for the yearbooks?

35, 40, 45, 50?

There is diarrhea on the floor. what do i do? my mum gonna see that i diarrhea on the floor! * don't report, i'm serious! *

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6