The number of cans required by Kathryn to fill the pitcher cylinder is 7.3 cans.
<h3>What is volume of cylinder?</h3>
The volume of cylinder is given as the space occupied in the interior of the cylinder. It is given by:

The volume of the cylinder pitcher to be filled is:

The volume of one small can is:

The volume given by one can is 24 times pi. The number of cans required to fill the pitcher is:

Kathryn in order to fill the cylinder required 7.3 cans.
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I think the answer is d. the moon's umbra only covers a small area on earths surface.
Explanation:
I want to say your answer is (D)- b and c.