78 minutes cause they are not working when one finishes, if they were doing that the it would take 1 hour and 44 minutes, hope this helps :)
They want the radius of Venus. With this info you know that Earth is 6378.1 km and Venus is 326.1 km smaller than that. So you would subtract 326.1 from 6378.1 6378.1-326.1=6052 therefore 6052 km is your answer.
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Step-by-step explanation:
I don't say you have to mark my ans as brainliest but if it jas helped you even a bit don't forget to thank me...
The denominator has to be the total number of kids and the numerator is the kids that can stay after school. so 12/30 then simplify. 12/30 divided by 6/6 = 2/5
This is a cubic equation so it will have 3 zeroes.