In a strength competition event, contestants must throw a medicine ball so that it hits the
wall as high as possible. One contestant's
throw is modeled by the given function.

f(x) =100x - 13x^2/24

If f(x) represents the height (in meters) of
the medicine ball after traveling x meters
forward, click on the section of the wall or
floor that the medicine ball will hit first.

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20