Simplify 4/9z - 3/9z + 5 - 5/9z - 8

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

Which expression is the factorization of x^2+10+21

Similarly fie each expression 18,19,20