U

=**U**= U.S.customary system of measurement-the measurement system most commonly used in the U.S. unit fraction-a fraction whose numerator is 1 such as 1/2 or 1/3 unit percent-1% unit price-the cost for 1 item unit rate-a rate with 1 in it unlike denominators-denominators that are different unsquaring a number-finding the square root of a number