Whats the volume of a sphere with a ratius of 9 units

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

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