The wheels on a car have a diameter of 28 inches. The circumference of one wheel is
inches. Use 3.14 for pi(Tt).
The wheels need to make about
revolutions to travel 2400 inches.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)