Answer:
Option A
Explanation:
the ratio of radii to volume is ^3 "to the third power"
so 5^3 : 9^3 would be the ratio for volumes
125:729
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Hello,

= 2/5
Solution.
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= The denominators are the same so you subtract the numerator. Your answer should be </span>

simplified your answer is

.
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Basically you canceling out and your answer is R= 1/2
Answer: D. Subtracting 9 from each side
Step-by-step explanation:
Always start with numbers without variables first before doing anything with x. And make sure one side must not equal 0 unless you're doing polynomials.