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Celina H.
Sophomore at New York University
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SAT II Mathematics Level 2
TutorMe
Question:

If f(x) = │(x² – 50)│, what is the value of f(-5)

Celina H.
Answer:

25

SAT
TutorMe
Question:

Out of 40 families in a certain town, 9 own a dog and 29 own a cat. If 5 families don't own either of them, what fraction of the families owns both a dog and a cat?

Celina H.
Answer:

3/40

Mandarin
TutorMe
Question:

How fluently can you speak Chinese?

Celina H.
Answer:

我精通中文。

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