Answer:
A
Step-by-step explanation:
I took the test just for you
I think that is 105.x = dbc 1/2 but I am not Shure that is what they are telling me
Https://www.dropbox.com/s/vnurvg2iqim6xnd/Screenshot%202016-10-18%2008.25.52.png?dl=0
Answer:
B
Step-by-step explanation: