Mia sells cars and earns 2.7% commission in every sale. In one day she sells one car for $16,500 and another for $22,900. How much commission did she earn for the day? Please help

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?

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?