Help geometry assignment due in 5 plz

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).

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Is a positive integer raised to a negative power always positive