f(x) + g(x) =
4x + 3
3x^2 + 2x - 4
----------------------------------
3x^ +6x -1
Answer: 3x^ +6x -1
Either you typed something wrong in the problem or the answer
410.5yd

, The proper formula to find the volume is,

.
Answer: 60
Step-by-step explanation: multiply four by 15 in this case take four 15's and add them all up
-7 (3e-2f+4)+6e-2= -21e +14f -28 +6e -2= -15e +14f -30