Find the sum.
A. 4
B. 9
C. 5
D. 20
Answer: D
Mathematics
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Choose the polar equation that matches the graph.
A. r = sin 2? + sin2 3? B. r = cos 2? + cos2 3? C. r = sin 3? + sin2 2? D. r = cos 3? + cos2 2?
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Find the length of the arc intercepted by a central angle ? in a circle of radius r. Round your answer to three decimal places when necessary.? = 
, r = 5 ft
A. 2.618 ft B. 9.549 ft C. 5.236 ft D. 3.77 ft
Mathematics
Perform the operation.24five ? 3five
A. 132five B. 112five C. 123five D. 213five
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Use the quotient rule to simplify the expression. Use positive exponents to write the answer.
A. 
B. 
C. 610
D. 64
Mathematics