Question

Please help just 3 questions!!! and im done ASAP!!!
1. what is the solution of the system ? solve using matrices.
{ 7x+2y=-38
{13x-3=32

A. [-54]
[-10]

B. no solution

C [10]
[54]

D. [-10]
[-54]

2. if a vector has an initial point (0,0) and a terminal point (-15,8) which is closest to the magnitude of the vector?

A. 7.0
B 12.7
C. 17.0
D. 23.0

3. write the sum of the two vectors as an ordered pair.
(7,-5) and (4,4)

A. (-1,11)
B. (3,-1)
C. (11,-1)
D. (-1,3)