Answer:
i dunno what that means but i think maybe your keyboard broke so the type of letters is random??
A(b) = 12(b + 9) / 2
12(b + 9) = 2 A(b)
b + 9 = 2 A(b) / 12 = A(b) / 6
b = A(b)
----- - 9
6
B(a) = a
-- - 9
6
It's C
Answer: look it up on bing
Step-by-step explanation:
