Answer:
-1v
0.6y+2.1
3w-p+4
1-6x
0
-5x+10y+z-25
Step-by-step explanation:
Combine like terms
The answer is option 3.
i hope it helped u.
........understood..............
16/81
(2/3)^4 = (2/3)*(2/3)*(2/3)*(2/3)
= 16/81