The height in meters of a football that is kicked from the ground is approximated by f(x)=-5x^2 +20x, where x is the time in seconds after the ball is kicked. Find the ball's maximum height and the time it takes the ball to reach this height. Then find how long the bal is in the air

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Pls what is the decimal equivalent of 5 over 9? select one: a. 0 point 5 bar over top of 5 b. 0 point 6 bar over top of 6 c. 0 point 8 bar over top of 8 d. 0 point 9 bar over top of 9