Answer:
-21
Step-by-step explanation:
I assume this is a 2 by 2 matrix.

determinant = -5 * 4 - 1 * 1 = -20 - 1 = -21
The answer is 3.5 grams. 500 Milligrams is equal to half a gram.
Answer:
a b b
is the answer
Step-by-step explanation:
mark brainliest
Answer:
-3
Step-by-step explanation:
Slope = change of x over change of y
6 over 2
3
line goes down so slope is negative
-3