Match the pairs of equivalent expressions.

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

What is x3+3x2−16x−48 divided by x−1?

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?