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Quiz Question 1007

What is the sum of the reciprocals of the squares?
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Answer to Quiz Question 1007

Quiz Question 1006

What is 1/2 + 1/3?
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Answer to Quiz Question 1006

Quiz Question 1005

What was the greatest technological invention in human history?
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Answer to Quiz Question 1005

Quiz Question 1004

What curve gives the strongest shape for a bridge?
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Answer to Quiz Question 1004

Things that go bump in the night

Like a tractor-trailer that has drifted into the lane of oncoming traffic because the driver has dosed off at the wheel, colliding with a van containing a family of four returning from Disney World.

Quiz Question 1003

A certain pair of nonvertical lines in the plane are perpendicular. What is the product of their slopes?
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Answer to Quiz Question 1003