Describe all numbers x that are at a distance of 3 from the number 8. Express this using absolute value notation.

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Which table represents points on the graph of h(x) = 3√-x+2?