Answer: 2hrs?
Step-by-step explanation: 3-2=1+1 hour she took alone = 2hrs
D is the only one which would make sense :)
Answer: 4,188.79 u^3
Step-by-step explanation: Volume of a sphere is (4/3)pi•r^3
10^3 = 1000
(4/3) • pi • 1000 = 4,188.79 (rounded to 2 decimals)
Answer:
24d+12d=t
Step-by-step explanation:
