Answer:x+10
Step-by-step explanation:
Where is the graph??
is it me or is it not there?hmm
Answer:
I think it is A
Step-by-step explanation:
This is how proportion is written 7:21=3:9. The colons are sign of division so it can be shown in the terms of fraction as 7/21=3/9 or 1/3=1/3