It’s BD because it need to be the opposite ray and this one is the opposite ray so yes this is it
Answer:
-1.2
Step-by-step explanation:

Subtract 3.9 from -9.18 to isolate the variable.

Divide -13.08 by 10.9

Which equals

You write 100 as the denominator because 100 represents a whole whereas the numerator normally represents a percentage. Hope this helps!
3.250 liters of softener because you have to jump three times according to the ladder method.