Stones dropped into a calm pond at points A and B create ripples that propagate in widening circles. In the figure below, points A and B are 24 feet apart, and the radii of the circles differ by 4 feet. The point P (x, y) where the circles intersect moves along a curve. Find the equation of the curve.
?
?
A. 
B. 
C. 
D. 
E. none of these
Answer: C
Mathematics
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Determine whether the graph can be traced. 
A. Yes B. No
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The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question. 
What is the ratio of money spent on miscellaneous to money spent on charity?
A. 
B. 
C. 
D. 
Mathematics
Convert as indicated.62.9 cg to dekagrams
A. 0.00629 dag B. 0.0629 dag C. 62,900 dag D. 6290 dag
Mathematics
Simplify the algebraic expression.6x + 8(y + 3) + 7
A. 6x + 8y + 31 B. 14xy + 17 C. -2xy + 31 D. 6x + 8y - 17
Mathematics