Find an equation of variation in which y varies inversely as x and the following is true.y = 12 when x = 
A. y = 
B. y = 
C. y = 
x
D. y = 
Answer: B
Mathematics
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Identify the quadrant for the angle ? satisfying the following conditions.tan ? < 0 and sin ? < 0
A. Quadrant I B. Quadrant III C. Quadrant IV D. Quadrant II
Mathematics
Graph the pair of parametric equations in the rectangular coordinate system.x = t2, y = 2 ln t ; 0 < t < ? 
A. 
B. 
C. 
D. 
Mathematics
Find 
in terms of x and y.
Mathematics
Find the indicated probability. A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue?
A. 
B. 
C. 
D. 
Mathematics