A simple question from mathematics, send me the final answer quickly, please

Let P(, y, z) be the point at which the line with parametric equations x = 2-t, y = 3 +2t, z=1-t, teR, 2x - y + z= -3. intersects the plane P Find the distance between the origin and the point V290 V 26Let u : {2,1, 1} v: {4,e+.5,2} W = {(1, , :3} Find the 1values at a: and ,3 such that is parallel ta 1? and H W is perpendicular ta 1:"