Different answers down below.
A. 1
B. 1/4
C. -1/4
D. -1

Answer:
— ¼ = — 0.25
Step-by-step explanation:
[tex] \frac{a + bc}{a - bc} = \frac{ - 12 + 20}{ - 12 - 20} = \frac{8}{ - 32} = - \frac{1}{4} [/tex]