Can we transform a vector from 2D to 3D? If so, can we do the reverse?

Find the value of x for which the lines are parallel.

What additional information could be used to prove abc =mqr using sas? check all that apply.

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()