Beverley is right
explanation
there is 3 answers
0,9,3
hope this helps
cauculator link: https://www.symbolab.com/solver/functions-calculator
:D
from Kenny
all the best!
1 because he HAD 5 and if he gave his friend 4 than he has 1 left, 5-4=1 my friend.
It moves roughly 5 inches a day. (p.s you made a mistake, there is 365 days in a year not 356)