20 PTS WILL GIVE BRAINLIEST PLEASE HELP!!!

QUESTION 1-
Which numbers should be multiplied to obtain 183^2 − 139^2?

- 44 and 44
- 1936 and 1936
- 44 and 322
- 33350 and 33628

QUESTION 2-
A ball is thrown upward from the top of a building. The function below shows the height of the ball in relation to sea level, f(t), in feet, at different times, t, in seconds:

f(t) = −16t2 + 48t + 100

The average rate of change of f(t) from t = 3 seconds to t = 5 seconds is _____ feet per second.