Solve the system by elimination.x + 7y = 75x - 4y = -4
A. {(0, 0)}
B. {(1, 0)}
C. {(1, 1)}
D. {(0, 1)}
Answer: D
Mathematics
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A. Odd B. Even
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Convert.81 cm = ___ m
A. 81,000 B. 8100 C. 0.081 D. 0.81
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Determine any local or absolute extrema as indicated.Use the graph of f to estimate the local extrema.
A. Local maximum: 0; local minima: -2 and 2 B. Local maximum: ?; local minima: -2 and 2 C. No local maximum; local minimum: -4 D. Local maximum: 0; local minimum: -4
Mathematics
Factor the polynomial completely.49k2 - 25m2
A. (7k + 5m)(7k - 5m) B. (49k + m)(k - 25m) C. (7k - 5m)2 D. (7k + 5m)2
Mathematics