2. Are the two expressions lx-5 and 1-5 equivalent? Give evidence to support your yes or no a Remember, for expressions to be equivalent, they must have the same value for all values of the input variable x

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.