Identify the vertex of the parabola.P(x) = -2x2 - 12x - 13
A. (-3, 5)
B. (-5, 3)
C. (3, -5)
D. (5, -3)
Answer: A
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Solve the problem. Round your answer to 2 decimal places when necessary.At an intersection in Normal, Illinois, there were 83 vehicle accidents with 168,212 vehicles passing through the intersection. Determine the accident rate per 1000 vehicles.
A. 0.49 accidents per 1000 vehicles B. 0 accidents per 1000 vehicles C. 168.21 accidents per 1000 vehicles D. 2,026,650.6 accidents per 1000 vehicles
Find the indicated sum.
A. 36 B. 162 C. 45 D. 180
Solve the problem.Suppose that one box contains n balls, of which 6 are red. A second box contains 
balls, of which n are red. If you select a ball from each box, the probability of not drawing a red ball from the first box and a red ball from the second box is 
Simplify this expression and use it to find the probability when 
A. 
B. 
C. 
D. 
Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 