Find the cardinal number for the set.C = {x|x ? 4 and x ? 12}
A. 16
B. 9
C. 8
D. 0
Answer: D
Mathematics
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Solve. Then graph the solution.
< x
A. (-?, 4) ? (6, ?)
B. (4, 6)
C. (6, ?)
D. (0, 4) ? (6, ?)
Mathematics
Find the vertex of the parabola.h(x) = 
x2 - 6x - 
A. 
B. 
C. 
D. 
Mathematics
Write and solve an equation to answer the question. Round percent to the nearest thousandth, if necessary.The First Commerce Bank pays 4
% interest per year on non-checking accounts. What is the annual income on a non-checking account of 
Round to the nearest dollar.
A. $2649 B. $1,505,000 C. $150,500 D. $26,490
Mathematics
25x² + 4y² – 150x + 8y + 129 = 0
Find the coordinates of the foci.
Mathematics