Answer:
depends
Step-by-step explanation:
If you mean just -12.161616, then it’s rational.
If you mean recurring decimal, then it’s not.
Answer:
90°
Step-by-step explanation:
angle on a straight line=180 and half of 180=90°
Answer:
69%
Step-by-step explanation:
Since we only have two options, rain or not rain, they have to add to 100%
100 -31 = 69
So not raining is 69%
He ate 2/3 of the pizza in half an hour so to eat 1/3 of the pizza it to 15 minutes so the answer is 45 minutes
Answer:
-21
Step-by-step explanation:
I assume this is a 2 by 2 matrix.
determinant = -5 * 4 - 1 * 1 = -20 - 1 = -21
