Solve the system of equations using the addition method.
A. (0, 9)
B. (-9, 0)
C. (1, 8)
D. No solution
Answer: A
Mathematics
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Factor the expression completely.9x5 - 100x
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Add or subtract vertically.Add 5x9 + 3x8 + 7x7 + 6 and 4x9 + 5x8 + 4x7 + 7.
A. 28x48 + 13 B. 9x9 + 8x8 + 11x7 + 13 C. 11x9 + 11x8 + 12x7 + 7 D. 9x18 + 8x16 + 11x14 + 13
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Find the greatest common factor of the numbers.84 and 42
A. 6 B. 21 C. 14 D. 42
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Add.50,877 + 79,656
A. 125,534 B. 120,533 C. 130,533 D. 140,533
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