What is the least common denominator for 2/5 + 3/7

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?

Astore is having a sale in which all items are reduced by 20 percent. including tax, jennifer paid $21 for a pair of shorts. if the sales tax is 5 percent, what was the original price of the shorts