I don’t know but try a tutor they help a lot really quick!
The input is any variable which goes into the system. In
this case there is no input.
<span>While the output is any variable going out of the system.
In this case the output is the amount of water which leaked out.</span>
I don’t get what you mean. Reword it
2n(n + 3) - 5(n + 3) = (2n-5)(n+3)
A. (n + 3) (2n - 5)
