Convert to polar coordinates. Express the answer in radians, using the smallest possible positive angle.(-12, 12)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Divide.
A. -4x2 - 25x + 15 B. -4x2 - 5x + 3 C. -100x2 - 125x + 75 D. -20x2 - 25x + 3
Mathematics
Solve the problem.How many liters (L) of a 20% alcohol solution must be mixed with 40 L of a 50% solution to get a 40% solution?
A. 60 L B. 20 L C. 2 L D. 6 L
Mathematics
Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following. 
Less than 76 cars
A. 83 people B. 68 people C. 34 people D. 84 people
Mathematics
Find a and b.If 0 < 2x < 6, then a < x2 < b.
A. a = 0, b = 16 B. a = 0, b = 36 C. a = 0, b = 3 D. a = 0, b = 9
Mathematics