Write and graph an equation to represent the situation. You put 11 gallons of gasoline (x) in your car. You know that this amount of gasoline will allow you to drive 275 miles (y).

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?