find a slope of the line that passes through a(-18,16) and b(31,40)

a. 49/24
b. -49/24
c. 24/49
d. -24/49

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