Maryann went to a beauty store and bought 3 hair brushes for $12 and 2 hair straighteners for $70. Write an expression that can be used to find the total amount that Maryann spent at the store. Then solve the expression.

Answer question above and explain each step : )

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.

Plzz ! need the answer asap! 7% of 980