What is the multiplicative inverse of 1/2

Answer this question, only if you know the answer. 30 points and brainliest!

What is the slope of the line shown below?

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