Glven: angle 1 and angle 4 form a linear pair: angle 1 and 2 are supplementary Prove: angle 3 is congruent to angle 4

please explain

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