For your career project you plan to design and sell T-shirts. During the first 5 weeks of selling the shirts, the function f(s)=4/3s-20 models your profit made, where s is the number of shirts sold.

#12 find the value of x. #13 find the value of the variable.

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.