Find the center of mass of the particles with the given masses located at the given points.6 at (-2, -3), 8 at (-1, -1), 9 at (1, 1), 11 at (3, 2), 12 at (5, 4)
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 82, 
= 53
D. 
= 
, 
= 
Answer: A
Mathematics
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Multiply. Simplify the answer completely.
? 
? 
A. 
B. 
C. 
D. 
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Find the slope.Find the slope of a line parallel to the line y = -5.
A. undefined
B. -5
C. - 
D. 0
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Match the quadratic function to the correct graph.y = (x + 2)2
A. 
B. 
C. 
D. 
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Solve the problem.A population is increasing according to the exponential function defined by y = 3e.04x, where y is in millions and x is the number of years. Which of the following should be done in order to answer the question "How large will the population be in 3 months?"
A. Solve 3e.04x = 3. B. Solve 3e.04x = 1/4. C. Evaluate y = 3e.04(3). D. Evaluate y = 3e.04(1/4).
Mathematics