Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.2(x - 5) + (2x) = 4(x - 7) - 2
A. Conditional; {0}
B. Identity; {all real numbers}
C. Conditional; {-3}
D. Contradiction; ?
Answer: D
Mathematics
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Divide in the indicated base.13067 ÷ 47
A. 2247 B. 2357 C. 1347 D. 1357
Mathematics
Find an equation of a parabola satisfying the given conditions.Vertex (0, 0), focus (-6, 0)
A. y2 = -24x
B. y2 = - 
x
C. y2 = -6x
D. x2 = -24y
Mathematics
Perform the indicated operation, if possible.[-2 9 1] - [4 3]
A. [-6 6 1] B. [-6 6 -2] C. [-6 9 -2] D. Not defined
Mathematics
Solve the problem.A bag contains 8 red marbles, 3 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 
B. 
C. 9
D. 
Mathematics