I have no clue with this question can someone help please?

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).

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?

Which of the following domains provide a real value periods