what is the answer to this ?A cheetah ran 75 meters at a speed of 25 meters per second. How long was the cheetah running?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?