basher 64 miles drove 64 miles and used 2 gallons of gas. Rebecca drove 108 miles and used 3 gallons of gas. Determine how many miles each person per 1 gallon of gas. Who drove more fuel-efficiency?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?