Find the simple interest on a 2350 principal deposited for six years at a rate of 2.77%

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

Is this a polynomial function? i need to know asap

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?