The bill was $14.00. she left a 20% tip for the waitress. how much change did she get back from $20.00

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

At a soccer tournament 1212 teams are wearing red shirts, 66 teams are wearing blue shirts, 44 teams are wearing orange shirts, and 22 teams are wearing white shirts. for every 22 teams at the tournament, there is 1 team wearing shirts. choose 1