The radio of circle X is three times the radius of circle Y. the sum of their areas is 40, then what is the radius of circle X

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Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

This is about circle theorems. someone asap : (