Achain weighs 10 pounds per foot. how many ounces will 4 inches weigh?

How do you determine whether a relationship represented as as graph is linear or nonlinear

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25