When typing 4 words per minute, you can finish in 50 minutes. find the constant of proportionality and write an equation relating t and r

Need on this one asap im almost done with this subject

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28