-2/3 is not whole, not natural, and not irrational.
From that list, the only thing it is is rational.
Answer:
45
Step-by-step explanation:
all angles have to add up to a total of 360, so the other 3 angles equal 270 and there's two more angles that need to split 90° equally
Answer:
s=13
Step-by-step explanation:

The answer is C. A way to find out is to add a few numbers from that group being specified. If you add 2 or even 100 to 3, the answer will be odd. If you add 12 to 3, you will get 15 which is a composite number. If you were to add 2 to 3, you will get 5 which is an odd number.
Answer:
3x + 3
Step-by-step explanation:
First = x
Second = x + 1
Third = x + 2
3x + 3