R^4-2(r-14)>0
r^4-2r+28>0
r^4-2r+28=0
There is no real solution but there is all real numbers
:)
The length is 54 ft because 13.5 in. is equal to .25*54 so 1*54 would be your answer in feet.
4. 20 minutes
Explanation- It's the only answer with "minutes" as an answer.
