Solve the equation by factoring.x(5x + 15) = 0
A. {0, 3}
B. 
C. {0, -3}
D. 
Answer: C
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A statement is made about correlation. State whether the correlation is positive or negative and whether the correlation is most likely due to coincidence, a common underlying cause, or a direct cause.As Thomas's income rose over the last 20 years so has his stress level.
A. Positive correlation; coincidence B. Positive correlation; direct cause C. Positive correlation; common underlying cause D. Negative correlation; common underlying cause
Solve the problem. 
What are the odds in favor of spinning an A on this spinner?
A. 3:5 B. 3:1 C. 2:1 D. 1:3
Solve the system of equations by using the inverse of the coefficient matrix. 7x - 5z = -11-2x + 6y - 5z = 1 3x - 4y = -14
A. (2, -5, -5) B. (2, 5, 5) C. (5, 5, 5) D. (3, 3, 5)
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.80x - 3.79 B. y = 0.95x - 2.79 C. y = 0.85x - 2.79 D. y = 0.90x - 3.79