Answer:
7
Step-by-step explanation:
(. A. )729c^6 + 1,458c^5d^2 + 1,215c^4d^4 + 540c^3d^6 + 135c^2d^8 + 18cd10 + d^12
BRAINLIEST PLEASE? :,)
You add it in your mind.
look at the pic................... hope it helps
