Asa. the side is in the middle of the angles
Answer:
3 -1 -2
5 1 6
Step-by-step explanation:
An augmented system has the coefficients for the variables and then the solution going across
Rewriting the equations to get them in the form
ax + by = c
-3x+y =2
3x-y =-2
5x+y = 6
The matrix is
3 -1 -2
5 1 6
Answer:

Step-by-step explanation:
and 

Answer:
-18,400
Step-by-step explanation:
23 * (-800) = 18,400.
The answer is B, 5/2
You convert 2 1/2 (a mixed number) into an improper fraction to get 5/2