In 15 hours
That or 13 hours, if we don’t include the fall back for the last one tho I highly doubt that so go with 15
Answer:

Step-by-step explanation:
Diameter = 19 cm
Radius = 19/2 = 9.5 cm
Volume = 
V = 
V = 
V = 3591.4 cm³
Answer:
i think the answer is 4
Step-by-step explanation:
coz wen i went through the questions i was able to solve them except option 4 which was giving Fx =9
Answer:
3 lbs
Step-by-step explanation:
7 lbs total
2 + 2 = 4 so we already have 4lbs
7 - 4 = 3
we need 3 more lbs