Answer:
All you have to do is look up the formulas for each one.
Step-by-step explanation:
Plug in the numbers to the correct formulas and you should get your answer.
Rational number is part of a whole number therefore both of them are rational
Answer:13.5
Step-by-step explanation: 6:9
9:?
divide both by 3 2:3
now multiple 4.5. 9:13.5