Well there is 24 hours in a day so 24 - 15 = 9. So he spends 9 hours awake.
Answer:
2.19x=y
Hope this helps!
D,
Step-by-step explanation:
Answer: A or D i think sorry if wrong but a i think
but The distance between A and B = |B - A|
We have -12 and -1.
Substitute:
|-1 - (-12)| = |-1 + 12| = |11| = 11
Answer: 11 units