i need help with my vectors homework

1.

In the rectangular box shown below. OA - 7, OC - D. and OD = a G DA Express cach of the following vectors in terms of a. be and OFThe vectors a and b are given below. Use these vectors to sketch cach of the following. bIn the trapezoid 1XYZ. TX - 2ZY . If the diagonals meet at O. find an expression for TO in terms of /X and 17\fABC has vertices at A(2. 3). B(6. 6). and C(-4. 1 1), a. Sketch and label each of the points on a graph. b. Calculate each of the lengths AB . AC. and CB c. Verify that triangle ABC is a right triangle.\fGiven the two vectors a - (- 1. -2. B) and b - (5. -1. D). does the vector