Simplify.

A. - x16
B. - x10
C. - x16
D. x10
Answer: B
Mathematics
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Factor completely.7x2 + 27x - 4
A. (7x - 4)(x + 1) B. (7x - 1)(x + 4) C. (7x + 1)(x - 4) D. (7x + 4)(x - 1)
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Add. Do not use a number line except as a check.- +
A. -
B.
C. -
D.
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Simplify. Assume that all variables represent positive numbers.
A. 14x2 B. 36x2 C. 6x2 D. 6x3
Mathematics
Solve the problem.A hot dog stand sells hot dogs with cheese, relish, chili, tomato, onion, mustard, or ketchup. How many different hot dogs can be concocted using any 5 of the extras?
A. 1260 B. 21 C. 2520 D. 42
Mathematics