Amanda is running a mile in gym class. She runs at a pace of 5 minutes per mile. What's the dependent variable in the situation. The length of the race
The speed at which Amanda runs
The distance Amanda has run
The amount of time that has passed

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?