The graph shows the height of a tires air valve y, above or below the center of the tire , for a given number of seconds. What is the diameter of the tire?

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

How do you determine if an ordered pair is a solution to a given equation?