A set of parallel lines run infinitely without touching each other! Hope this helps!
Multiply by 200. and you will get the correct answer.
Answer:
49:21 reduces to 7:3 42:54 reduces to 7:9
Step-by-step explanation:
1) find the greatest common factor between each set of numbers
2) divide the numbers by the GCF you found for each set,
I would go with the world beyond school is rapidly changing IMO