I'm failing lol. HELP me with math??

Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Find the solutions for a triangle with a =16, c =12, and b = 63º