A student theater charges $8.50 per ticket. a) The Theater has already sold 70 tickets. How many more tickets does the theater need to sell to earn at least $750?

b) The theater increased the ticket price by $1. Without solving the inequality, describe how this affects the total number of tickets needed to earn at least $750. Explain your reasoning.

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?