Solve the polynomial inequality.(x + 9)(x + 4)(x - 3) > 0
A. (3, ?)
B. (-?, -4)
C. (-9, -4) ? (3, ?)
D. (-?, -9) ? (-4, 3)
Answer: C
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Find average for each set of numbers.170, 129, 151, 158, 167
A. 155 B. 158 C. 165 D. 154
Find the slope of the line (if it exists) and the y-intercept (if it exists).4x - 6y = -6
A. Slope - 
, y-intercept (0, 1)
B. Slope - 
, y-intercept (0, -1)
C. Slope 
, y-intercept (0, 1)
D. Slope 
, y-intercept (0, -1)
Solve the equation for the specified variable.A = P(1 + nr) for r
A. r = 
B. r = 
C. r = 
D. r = 
Solve.The city where Lu Na lives has a population of 2,273,468 people and an area of 155.2 square miles. What is the rate of number of people per square mile (i.e., the population density)?
A. 14,649 people/sq mi B. 0.0000683 people/sq mi C. 352,842,234 people/sq mi D. 15,381 people/sq mi