Your kind help with these questions would be greatly appreciated, thank you.

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

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?