20. Running at an average rate is m. sa sprinter ran to the end of a track and then jogged back to the starting point at an average rate of 3 m/s. The
sprinter took 55 s to run to the end of the track and jog back. Find the
length of the track.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

To factor 4x2-25, you can first rewrite the expression as: