Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the parabola and show the focus and directrix.4x - 16y2 = 0
A. 
B. 
C. 
D. 
Mathematics
Simplify. Assume that variables can represent any real number.
A. 81
y2
B. 3
C. 3xy2
D. 3
y2
Mathematics
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Mathematics
Find the lengths of rafters AC and BC of the roof shown in the Illustration.
A. AC = 29.2 ft, BC = 19.7 ft B. AC = 25.3 ft, BC = 25.4 ft C. AC = 29.2 ft, BC = 19 ft D. AC = 25.3 ft, BC = 19.0 ft E. AC = 25.3 ft, BC = 19.7 ft
Mathematics