Sam is 5 years old. his older brother, tom, is three times as old as sam. when sam is 20, how old will tom be?

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?