The john deere company has found that the revenue from sales of heavy-duty tractors is a function of the unit price p that it charges. the revenue r is given by the following function.

r(p)= (-1/2)p^2+1520p

what unit price p should be charged to maximize revenue? give your answer correct to the nearest dollar.

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?