Perform the indicated operation.
A. -25
B. 
C. 25
D. 15
Answer: C
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Find the indicated probability. Round your answer to 6 decimal places when necessary.A sample of 4 different calculators is randomly selected from a group containing 46 that are defective and 23 that have no defects. What is the probability that all four of the calculators selected are defective?
A. 0.0625 B. 0.1975 C. 0.1888 D. 18.4286
Solve the problem.On a map, 1 inch represents 420 miles. How much does 
inch represent?
A. 95 mi B. 105 mi C. 1680 mi D. 115 mi
Find the equation of the transverse axis of the hyperbola.x2 - 
= 1
A. y = 0 (x-axis)
B. x = 0 (y-axis)
C. y = 
x
D. y = 2x
Solve the polynomial inequality. Express your solution on a number line using interval notation.(x + 7)(x + 6)(x + 3) < 0
A. (-3, ?)
B. (-?, -7) ? (-6, -3)
C. (-?, -6)
D. (-7, -6) ? (-3, ?)