Please help me with the questions.

1.

Find the area of the parallelogram with one corner at P, and adjacent sides P, P2 and P, P3. P1 (0,0,0), P2 (4, - 4,1), P3 ( -1,2, -1) O A. 129 OB. 33 O C. 16 O D. 209The polar coordinates of a point are given. Find the rectangular coordinates of the point. (-9, 120) -913 O A. 2, 2 9 913 OB. 2' 2 9 -913 O C. 2 2 91/3 O D. 2, 2Find the unit vector having the same direction as v. v = 8i O A. U= 641 O B. U=- ol - O C. u = 8i OD. u= i\fFind a rectangular equation for the plane curve defined by the parametric equations. x = 3t, y =t +4; -2sts3 1 O A. y= -x - 4; for x in - co