Answer:
B and C
Step-by-step explanation:
2/3 = 6/9
and
1/2 = 4/8
You can complete this by solving:

Which should give you .274418 or 27.44%
17,98 $ (subtraction)
Hope that helpful !
Answer:
8xy
Step-by-step explanation:
Subtract -13xy from -5xy
-5xy - (-13xy) =
-5xy + 13xy =
8xy
<em>good luck, i hope this helps:)</em>