Find the geometric mean
6 and 15

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

How do you write 600 as a product of its prime factors (index! )

Divide reduce the answer to lowest term 3/7 divided 1 1/6