Hi I'm kind of confused about at the moment. What are points for? I think they are for looking up problems. How many points do I use up when I look at a problem? Does it vary depending on the user?

What is the measure of angle afe? 79 81 91 99

The table above shows approximate conversions from gallons to liters. what is the value of x?

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