Determine if the system has no solution or infinitely many solutions. If the system has infinitely many solutions, describe the solution with the equation of a plane or an ordered triple in terms of one variable.
A. 
B. 
C. no solution
D. 
Answer: D
Mathematics
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Solve and graph.x ? 4 or x ? 7
A. [-7, -4]
B. (-?, 4] ? [7, ?)
C. (4, 7)
D. (-4, 7)
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Find the sum.
A. 304.1 B. 212.08 C. 256.14 D. 47.96
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Factor completely.5x3 + 10x2 - 40x
A. 5x(x - 2)(x + 4) B. (x - 2)(5x2 + 20) C. 5x(x + 2)(x - 4) D. (5x2 + 10x)(x - 4)
Mathematics
Tell where the function is decreasing.
a. always increasing
b. always decreasing
c. 
d. always constant
e. 
Mathematics