BC would equal the same as EF, they are similar. All you would have to do is figure out the pre image (BC) of EF.
The answer of this is 3,6,9,12,15,18,21,24,27,30,33,36,39,...
Answer:
Gabriela Mistral works as a humanitarian for
days.
Step-by-step explanation:
Gabriela Mistral was a poet, diplomat, teacher and humanitarian such that each week she worked a certain amount of days as a poet diplomat teacher and humanitarian.
Ratio is 
Let
denotes total number of days Gabriela Mistral work.
As she works 12 days as a teacher,

Total number of days 
So,
she works as a humanitarian for
days.
Answer:
Step-by-step explanation:
Answer: 7/4
The value of 'y' is exactly 6 less than the negative fifth multiple of 'x'.