Fast ? so my teacher gave me this question and to me it makes no sense at all and i really love math and im really good at it so i was wondering if one of you can explain it to me? so much i dont know if he messed up or if i just cant comprehend it : )!

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?