Consider the spheres shown in the figure. The sphere at the left shows two lines. In Euclidean geometry, we know that two lines are either parallel or cross at exactly one point. Discuss this property in relation to what you observe in the figure.
A. Two lines intersect in two points.
B. Two lines are either parallel or cross at exactly two points.
C. Lines are great circles, and m is not a great circle.
Answer: A
Mathematics
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List the set of even numbers greater than 2.
A. {4, 6, 8, 10, ...} B. {6, 8, 10, 12, ...} C. {5, 7, 9, 11, ...} D. {2, 4, 6, 8, ...}
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Find the equation of the hyperbola.Vertices of the fundamental rectangle (6, ±7) and (-6, ±7), and opening left and right.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
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Use l'Hopital's Rule to evaluate the limit.
A. 8 B. 1 C. 4 D. ?
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Solve the problems.Ray's gross pay is $323.07 per week. $48.46 is withheld for federal income tax, $27.74 for FICA tax, and $11.35 for other deductions. Find his net pay.
A. $235.52 B. $258.22 C. $246.87 D. $245.52
Mathematics