A, yes.
Step-by-step explanation:
63:60, 21:20:
The difference between 60 and 20 is *3. If you do that to 21, you get 63. So a , yes.
answer: it's upside down and i can't read it
step-by-step explanation:
alright well the answers to your question is
2xy/9 hope this have a nice day : )