Find the speed of the cyclist algebraically.
Brenda and her husband Randy bicycled cross-country together. One morning, Brenda rode 30 miles. By traveling only 5 miles per hour faster and putting in one more hour, Randy covered twice the distance Brenda covered. What was the speed of each cyclist?
Find the height of the ball drop and the time taken to reach the ground.
A ball is dropped from a height of 64 feet. Its height above the earth in feet is given by h(t ) =16t2+ 64, where t is the number of seconds after it is dropped.
a) Find h(1).
b) How long does it take the ball to fall to the earth?