Answer:
Your answer is C.
Step-by-step explanation:
12*1/4= 3
30 is C
16*3/4 = 12
31 is B
lm 11 in 6th grade
3^2 = 9
9/9 = 1
1 + 12 = 13
This is based on the Order of Operations.
Hope it helps! :D