A) The formula for the volume of a sphere in terms of its radius (half the diameter) is

For your 18 cm sphere, the volume is

B) If the diameter were reduced by half, the volume would be

of the original volume.
Use the distributive property:

And

Answer:
yes, your score is good for a seventh grader.
keep it up and you can score more.
That all dolphins have different sizes and are mostly different ages
Answer:

Step-by-step explanation:
