Rationalize numerator.
A. 
B. 
C. 
- 
D. 
Answer: B
Mathematics
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Simplify.
A. 
B. 
C. 
D. 1
Mathematics
Solve the problem.A domed ceiling is a parabolic surface. For the best lighting on the floor, a light source is to be placed at the focus of the surface. If 2 m down from the top of the dome the ceiling is 24 m wide, find the best location for the light source.
A. 54 m down from the top B. 72 m down from the top C. 36 m down from the top D. 18 m down from the top
Mathematics
Find the prime factorization of the number.108
A. 2 ? 2 ? 3 ? 3 B. 2 ? 2 ? 3 ? 3 ? 3 C. 2 ? 2 ? 2 ? 3 ? 3 ? 3 D. 2 ? 2 ? 3 ? 3 ? 5
Mathematics
Simplify the complex fraction.
A. 40y
B. 
C. 8y
D. 
Mathematics