-12=b/8 show how you got the answer

A.) -20
B.) -4
C.) -96
D.) -1 1/2

-96

Step-by-step explanation:

-12=b/8

-12*8=b

-96=b

what is a pre-existing condition claus?

means if you're already damaged some way when you take out a medical insurance you will not get full compensation for that injury that you already have.