1. Add -4.5 to 18.5
2. Divide 23 by 7
3. Then subtract 6 from -2.7
Answer:
25
Step-by-step explanation:
25
(5)² = 25 OR √25 = 5
Answer:
a
Step-by-step explanation:
Answer:
rational
Step-by-step explanation:
If the matrix is of 2 by 2 then we can find the determinant of the matrix.

Then (ad - bc ) gives you the determinant of the matrix.
For example,

= (2)(-2) - (1)(4)
= - 4 - 4
= -8