The sun casts a 14 foot shadow from a building that is 9 feet tallGeorge is standing by building and casts a 9 foot shadow Approximately how tall is George?

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Which of the following expressions is equal to 2x^2+8

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

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.