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Mathematics 9 Online
OpenStudy (anonymous):

The set {3, 5, _} could not be the sides of a triangle.

OpenStudy (blockcolder):

Any number in the set \(\{x|\ 0\leq x \leq 2\} \cup \{x|x\geq8\}\) should fill in the blank.

OpenStudy (anonymous):

so 8?

OpenStudy (blockcolder):

It can be 8, 9, 8.5, 1, pi/2, as long as it belongs to either of the sets I mentioned.

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