Ineed to know the answer to number one

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

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

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?