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Alexis N.
Tutor with five years experience
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Writing
TutorMe
Question:

Are correct grammar and punctuation essential elements of a paper or essay?

Alexis N.
Answer:

Yes.

Pre-Algebra
TutorMe
Question:

-9(4+6(-3)) - (-12)

Alexis N.
Answer:

138

Calculus
TutorMe
Question:

A spherical snowball with an outer layer of ice melts so that the volume of the snowball decreases at a rate of 2 cm^3 / min. How fast is the radius changing when a diameter of the snowball is 10 cm?

Alexis N.
Answer:

20 pi cm/sec

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