In the figure, chords 
and 
intersect at point X. If RX = 8, TX = 12, and XS = 9, find XV.
A. 5.6
B. 6
C. 7.5
D. None of These
Answer: B
Mathematics
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Solve. r(r - 6) = -9
A. -3 B. 3 C. 9, 3 D. 3, -3
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Solve the problem.The table lists how financial aid income cutoffs (in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the financial aid cutoff for 1985. 
A. $51,750 B. $17,625 C. $33,375 D. $20,250
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Sketch the surface z = f(x,y).f(x, y) = 3 - x2
A. 
B. 
C. 
D. 
Mathematics
Identify the radicand and index.9
A. x2 + 5; 2
B. 9; 1
C. 9
; 2
D. 
; 1
Mathematics