<h3>
Answer: A and C</h3>
Both matrices are 1 x 4 matrices. This notation says there is 1 row and 4 columns. The number of rows must match up, as well as the number of columns, in order for matrix addition to be possible. This is so the corresponding elements pair up and add together. For instance, the 5 and -2 pair up and add together for matrices A and C.
Answer:
25.9365
Step-by-step explanation:
Y=2.5x+b
Skeleton equation: y=mx+b
It's the last answer because all u have to do is plug in those points for both equations and I got the solution -1/4,-4