Answer:
He is 3 years old.
Step-by-step explanation:
3 times 9 is 27. She is 9 times older than her 3 year old son.
Next year he will be 4 and she will be 28. 4 times 7 is 28. She will be 7 times older than her son.
Answer:
c) 4. i think.
Step-by-step explanation:
Answer:
121π
Step-by-step explanation:
The formula for a circle is πr^2. But if given a diameter instead of radius, you simply divide by 2 because radius is half of a diameter.
Radius of this circle is 11 because you divide 22 by 2.
Then you follow the formula. 11^2=121.
Answer:
Could you possible elaborate on the question more?