Answer:
2 and 4 I am pretty sure. hopeful that's correct.
Answer:
2 13/20
Step-by-step explanation:
Answer:
-21
Step-by-step explanation:
I assume this is a 2 by 2 matrix.

determinant = -5 * 4 - 1 * 1 = -20 - 1 = -21
13,986
Step-by-step explanation:
Juss used a calculator, the rest guess