Evaluate the given binomial coefficient.

A. 252
B. 126
C. 504
D. 30,240

Answer: A

Mathematics

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Find the equation of the set of points P satisfying the given condition.The difference of the distances of P from (± , 0) is 2.

A.  - y2 = 1
B. x2 -  = 1
C.   - x2 = 1
D. y2 -  = 1

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Mathematics

Find the volume.

A. 231  ft3
B. 253 ft3
C. 84  ft3
D. 21  ft3

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Mathematics

A point P(x, y) in rectangular coordinates is given. Determine the polar coordinates  such that  and (-2, 0)

A.
B. (2, ?)
C.
D. (-2, ?)

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Mathematics

Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship y = 100x + 2100, where y represents the number of sales in year x, with x = 0 corresponding to 1982. Find the number of sales in .

A. 3600 sales B. 7200 sales C. 7100 sales D. 3500 sales

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Mathematics