X^4-7x^2+9 (Resolve into factors)
Please give answer step by step.

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

In a column proof the right column states your reasons

What is the solution for 6 - 7/8? explain the steps.