How many rectangular faces do a hexagonal pyramid have?
How many rectangular faces do a hexagonal pyramid have?
Six times a number is at least -24, how do you write the expression?
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Prove that every identity relation is reflexive, but the converse may not be necessarily true.
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When given a square, the construction of an angle bisector at any vertex will create the diagonal of the square.
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Why is it called a rectangular hyperbola?
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5 boys and 4 girls sit in a straight line. Find the number of ways in which they can be seated if two girls are together and the other 2 are also together but separate from the first two.
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