A coach spends no more than 20 hours per week coaching soccer. He is paid $7 an hour for coaching offense and $9 an hour for coaching the goalie. He wants to spend at least 5 hours but no more than 11 hours coaching offense. How many hours should he coach offense each week to
earn the maximum amount of money?

Find two rational expressions that have the difference of 2-n/n-4

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189