4 (3n-2) is the answer.
Woops. Sorry I had no idea that it said expression (s) instead of expression, but that is one of the answers though.
Answer:
=10x2+3x+4
Step-by-step explanation:
I hope this helps you
To find the height you would take 85/ π 3² which would give you 3.00626
A
there you gooo
have a nice day