Answer:
to find volume of cylinder use formula=

and

Answer:
A
Step-by-step explanation:
The expressions are simplified to 2x and 
<h3>How to simply the expressions</h3>
1.
Given the expression;

Let's factorize the numerator;

Factor the common terms, we have;
2x
2. 
Find the Lowest common multiple

expand the brackets


collect like terms

Divide common terms

Thus, the expressions are simplified to 2x and 
Learn more about algebraic expressions here:
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Answer:
y = - 
Step-by-step explanation:
Given that the quantities vary inversely then the equation relating them is
y =
← k is the constant of variation
To find k use the condition x = 4 when y = - 6
k = yx = - 6 × 4 = - 24
y = -
← equation of variation
Since she ran 6 times to complete a mile, each lap should be 1/6 of a mile. To run 5/6, she must run 5 laps. Your final answer should be 5. Hope this helps!