A skating rink manager finds that revenue R based on an hourly fee F for skating is represented by the function R=-480P? + 3120F. What hourly fee will produce maximum revenues?

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8