Answer:
It is D or B. If i am not mistaken
1) 0.48 3 2) 7/8 3) 7 1/8
We have to find LCM of 12,14,16
Refer to the attachment
LCM=2×2×2×2×3×7=16×21=336years
A. x-6=6
if u plug in 12, you get 12-6=6 which is true
all the other ones would be false if you plugged in 12