Factor.x4 + 3x2 - 10
A. (x2 + 5)(x2 + 2)
B. (x2 - 5)(x2 - 2)
C. (x2 + 5)(x2 - 2)
D. (x2 - 5)(x2 + 2)
Answer: C
Mathematics
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Solve the problem.In the following voter profile, use the Borda Method to determine the winner. If candidate d drops out, and a second election is held, who is the winner if the Borda Method is again used? Does the Borda Method violate the Independence of Irrelevant Alternatives Criterion in this election process? 
A. a; b, yes B. a; a, no C. b; b, no D. b; a, yes
Mathematics
Rationalize the denominator. - 
A. -24
B. -7
C. - 
D. - 
Mathematics
Find the exact value of the expression. Do not use a calculator.1 + sin2 45° + sin2 45°
A. -1 B. 0 C. 1 D. 2
Mathematics
Tell whether the relation is a function.
A. Function B. Not a function
Mathematics