I really need help pls help

What is the binomial expansion of (2x-3)^5

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

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g