Sharon is 54 inches tall. a tree in her backyard is 5 times as tall as she is. the floor of her treehouse is at a height that is twice as tall as she is. what is the difference, in inches between the top of the tree and the floor of the treehouse

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01