Use the elimination method to solve the system. -2x + 4y = -5-10x + 20y = -25
A. (-20, 10)
B. Infinitely many solutions
C. (10, -20)
D. No solution
Answer: B
Mathematics
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. y = x2, y = 0, x = 0, x = 3
A. 9?
B. 
?
C. 
?
D. 
?
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Factor completely.2x3 + 2x2 - 40x
A. (2x2 + 8x)(x - 5) B. 2x(x + 4)(x - 5) C. (x - 4)(2x2 + 10) D. 2x(x - 4)(x + 5)
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Solve the inequality.
?
?
A. 
B. 
C. 
D. 
E. 
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Subtract.- 
A. 19.55 B. 19.15 C. 18.55 D. 19.65
Mathematics