Tutor profile: Celina H.
Subject: SAT II Mathematics Level 2
If f(x) = │(x² – 50)│, what is the value of f(-5)
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?
How fluently can you speak Chinese?
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