Oscar is 16 years old and his sister julia is 12 years old. What will be the ratio of Oscar's age to julia's age in 2 years.
1 answer:
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I can answer 1 to 4...
The area of a circle can be found by
. Reminder: 
(usually used when finding out the area of a circle)
1.
or 
2.
or 
(Not really sure if this is correct) 3.
or 
4.
The area of a circle can be found by
1.
2.
(Not really sure if this is correct) 3.
4.