Find the indicated quantity.a1, when d = -3 and a49 = -145
A. -7
B. -3
C. -4
D. -1
Answer: D
Mathematics
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Write the given Hindu-Arabic numeral as a Chinese numeral.4900
A. 
B. 
C. 
D. 
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Solve the problem.Plot the point corresponding to the complex number (6 + 4i).
A. 
B. 
C. 
D. 
E. 
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Match the given equation with one of the graphs.4x2 + 25y2 = 100
A. 
B. 
C. 
D. 
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Find the perimeter of the geometric figure.
A. 12x2 + 4x + 31 B. 21x2 + 12x + 31 C. 24x2 + 8x + 62 D. 24x2 + 8x + 31
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