Answers of these two questions??

Will give brainliest what is the value of x? enter your answer in the box.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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