Please Help, I be stuck :[

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64