Astatistics teacher asks her students how many hours, on average, they spend working for pay each week. the responses are: 21, 30, 0, 0, 15, 0, 15, 12, 10, 32.5, 0, 15, 10, 15, 5, and 25. a histogram starting at 0 hours and using bar widths of 10 would look like

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total