Check and tell me which ones are right and wrong pls solve them before telling me

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

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?