If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.
x - 2y = 1x - 14y = 7
A. (7, -1)
B. (1, -7)
C. Infinite number of solutions
D. No solution
Answer: C
Mathematics
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Factor the perfect square trinomial.25x2 - 10x + 1
A. (5x - 1)2 B. (x - 5)2 C. (5x + 1)(5x - 1) D. prime
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Simplify the complex fraction.
A. 48y(y + 9)
B. 
C. 
D. 
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Convert to decimal notation.5.6934 × 105
A. 569,340 B. 56,934 C. 284.67 D. 5,693,400
Mathematics
Simplify. Assume that all variables represent nonnegative numbers.
A. 84
B. 24
C. 14
D. 12
Mathematics