Complete the table with the ratios of the base areas, surface areas, and volumes of these two similar cones. Assume the ratios are written in the form cone A: cone B.

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?