Well there is 24 hours in a day so 24 - 15 = 9. So he spends 9 hours awake.
Answer:
the correct answer is Slope = 45 and y intercept = 175
Step-by-step explanation:
Answer 144 ft2
Step-by-step explanation:
The answer would be 15 +20x. You have to combine like terms.
2+6+7+20x
8+7+20x
= 15+ 20x (answer)