Solve the equation.-9c + 4 + 7c = -3c + 9
A. 5
B. 9
C. -4
D. -9
Answer: A
Mathematics
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Solve the system by the addition method.
A. {(-1, 2), (1, -2)} B. {(2, 1), (-2, -1)} C. {(2, 1), (2, -1), (-2, 1), (-2, -1)} D. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
Mathematics
Classify the equation as a contradiction, an identity, or a conditional equation.-9s - 35 + 3(3s + 14) = 0
A. Conditional B. Identity C. Contradiction
Mathematics
Use the change-of-base formula and a calculator to evaluate each logarithm.log2 3
A. 0.6309 B. 3.1700 C. -1.5850 D. 1.5850
Mathematics
Find approximate x-intercepts. Round the coordinates to the nearest tenth if necessary.y = 2x2 + 6x - 80
A. (-5, 0), (-8, 0) B. (5, 0), (8, 0) C. (5, 0), (-8, 0) D. (-5, 0), (8, 0)
Mathematics