There 12 out of 31women therefore it would be .39
Answer:
a) 1200
b) 75
Step-by-step explanation:
You got it correct
about + - 10.4
Division of a fraction is the equivalent of multiplying by its reciprocal
ex.

i suggest you try to remember this concept
in terms of your question
from this point, just multiple the numerators together and denominators together, then simplify if necessary
fyi- difference of squares

relating that to

also a side note, you might want to factor out the 4 first in the top fraction