Need help ASAP please and thank you! This matter is timed

Which of the following is not a subset of {1,2,3}?

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two