Find the equation of the line parallel to y = 4x + 1 that also
intersects the point (1, 1).
y = [? ]x + [ ]

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?