
Actually Welcome to the concept of Scalar factor Multiplication in Matrix.
So from the above matrix, -3A , is just simply multiplying the -3 to every element of the matrix, so we get as,
===> -3A = | -9 -18 |
| -24 -21 |
| -6 6 |
hence the correct option is B.
I might be wrong but don’t you need two equations to do the elimination process?
Answer:
c. supplementary angles
Step-by-step explanation:
Answer:
yea kind of but not in detail
I think 15 I am not 100 percent on that