Answer:
the answer is bc of my knowledge XD XD XD hahaha
Step-by-step explanation:
nbhgutfyctygvuhbijnk mjbguvyfccvguhbijnk bvf vhnjhbvtcdxtcrftygbhjnhbgvfctytguhb vgc
Well there is 24 hours in a day so 24 - 15 = 9. So he spends 9 hours awake.
Well the solution to this problem is x < -4
