can i get help with this question from my homework please?

(3 points) This question is about lines and planes in R3, i. Do the two planes 3: + 23; z = 2 and 23: + 4y 22 = 7 intersect? Explain. ii. What about the two planes :1: + 2y z : 2 and 22: + 4y z : 2? Do they intersect? Explain. iii. Is the line given by 77"(t) = (1 + 15,2 + 313, 1 2t) perpendicular to the plane :1: + 33; 22 = 1? Explain