John drove 420 miles using 18 gallons of gas at rhis rate how many gallons of gas would he need to drive 357 miles?

1. convert. simplify your answer and write it as a proper fraction or as a whole or as a mixed number. 4oz=_ pounds 2. find 1/3 of 66

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.