Simplify.
+ 
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Convert 3 feet to centimeters. Round to the nearest hundredth.
A. 300.00 cm B. 984.24 cm C. 91.44 cm D. 9.84 cm E. 914.40 cm
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Use the properties of parallel lines to solve the problem.In the figure, 
. Identify all pairs of congruent angles.
A. ?ABE and ?FCD B. ?ABC and ?FCD , ?ABE and ?BCD, C. ?ABE and ?FCD , ?ABC and ?BCD D. ?ABE and ?ABC , ?FCD and ?BCD
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Find the indicated term for the geometric sequence with first term, a1, and common ratio, r.Find a4, when a1 = 3, r = 2.
A. 18 B. 24 C. 48 D. 8
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Find an equation for the sphere with the given center and radius.Center (0, 0, 8), radius = 5
A. x2 + y2 + 5 z2 - 16z = -39 B. x2 + y2 + 5 z2 + 16z = -39 C. x2 + y2 + z2 + 16z = -39 D. x2 + y2 + z2 - 16z = -39
Mathematics