Find the center of the ellipse.9x2 + 18x + 25y2 - 250y + 409 = 0
A. (-1, 5)
B. (-6, 5)
C. (5, -6)
D. (5, -1)
Answer: A
Mathematics
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Place the correct inequality symbol, < or >, to compare each pair of numbers.6,970 
6,704
A. > B. <
Mathematics
Find the indicated intersection or union.Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, C = {v, w, x, y, z}, and D = {s}. List the elements in the set C ? B.
A. {s, u, v, w, x, z} B. {q, s, u, v, w, x, y} C. {q, s, v, w, x, y, z} D. {s, u, w}
Mathematics
Evaluate the definite integral.
?
?
A. 
B. 
C. 
D. 
Mathematics
Solve the system by addition. 9x - 7y = 35 5x + 4y = -20
A. {(0, -5)} B. {(-1, -4)} C. ? D. {(0, -4)}
Mathematics