Graph the solution set of the system.(x + 2)2 + (y - 4)2 ? 9(x - 2)2 + (y - 4)2 ? 9
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Given that the pair of triangles is similar, find the length of the side labeled n.
A. 12 B. 28 C. 7 D. 21
Mathematics
Simplify.
3
A. 
B. 
C. 
D. 
Mathematics
Solve.The price of a stock rose 7 points, fell 8 points, and again fell 14 points. What was the stock's total change?
A. 13 points B. -15 points C. 29 points D. -29 points
Mathematics
Solve the problem.A mechanic is testing the cooling system of a boat engine. He measures the engine's temperature over time. Use a graphing utility to fit a logistic function to the data. What is the carrying capacity of the cooling system?
A. y = 
, 315°F
B. y = 
, 315°F
C. y = 
, 307°F
D. y = 
, 312°F
Mathematics