Replace the Cartesian equation with an equivalent polar equation.x = 8

A. r = 8 csc ?
B. r = 8 sin ?
C. r = 8 cos ?
D. r = 8 sec ?


Answer: D

Mathematics

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A. c = 7.92, A = 34.7°, B = 45.3° B. c = 6.92, A = 45.3°, B = 34.7° C. c = 6.92, A = 34.7°, B = 45.3° D. c = 5.92, A =45.3°, B = 34.7°

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Find the sum of the sequence.

A. 18 B. 20 C. 30 D. 14

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Match the graph to one of the listed functions.

A. f(x) = x2 + 2x - 1 B. f(x) = x2 - 2x C. f(x) = x2 - 2x - 1 D. f(x) = x2 + 2x

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Use the rules for multiplication of measurements to evaluate.(6.8km)(5.69km) 

A. 36  
B. 39
C. 38.692
D. 40
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Mathematics