Answer:
duster f vying FE65820 crystal cyst
The answer would be B. Using the foil method to check, the two k's equal k^2, then the k and -f would equal -fk, plus the 2fk would equal a positive fk. Lastly, the 2f and -f would equal -2f^2.
Answer:
2.8
Step-by-step explanation:
It is the same
