Find the length of the third side of a triangle that has a hypotenuse of 15m and a leg of 12m

Which expression is not a polynomial?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96

Ineed with math stuff it involves graphs