Answer:11 hours
Step-by-step explanation:
you would add all three hours and then divide by 3 but first you would have to convert the minutes into hours so it would be 900/60 which is 15 so then you would do 8+10+15 / 3 which gives you 11
Answer:
D
sorry idk how to explain it
x = 110 degree
Hope this helps u !!
d=3
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