Factor the trinomial. $5 x^{2}-7 x-6$

Suppose the warranty period for your family's new television is about to expire and you are debating about whether to buy a one-year maintenance contract for $35. If you buy the contract, all repairs for one year are free. Consumer information shows that 12% of the televisions like yours require an annual repair that costs$140 on the average. Would you advise buying the maintenance contract? Explain your reasoning.

Box-and-whisker plots can be displayed on a vertical scale as well as on a horizontal one. The two plots shown at the right compare the heights in centimeters of this year's senior class with their heights three years ago when they were freshmen. Write a paragraph explaining what the plots tell you.