Step-by-step explanation:
Assuming:

subtract a from both sides

multiply both sides by 5

divide both sides by 3

____________________
if,

multiply both sides by (5+a), then divide both sides by 3

NM + MO = NONM + 12.3 = 26.9NM = 26.9 - 12.3NM = 14.6
Step-by-step explanation:

C
.) The - 3 at the end of the function means the function is shifted down 3 units. This also shifts the asymptote down 3 units.