Solve the equation. 
= 9
A. 
, - 
B. - 
, 
C. 
D. 2, - 4
Answer: A
Mathematics
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Plot the curve of the given polar equation in polar coordinates.r = 3 sin 2?
A. 
B. 
C. 
D. 
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Use the formula for 
to solve.A church has 10 bells in its bell tower. Before each church service 4 bells are rung in sequence. No bell is rung more than once. How many sequences are there?
A. 151,200 B. 302,400 C. 210 D. 5040
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Find the area A. Round the answer to three decimal places.
A. 5.498 cm2 B. 10.996 cm2 C. 1.75 cm2 D. 1.833 cm2
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Solve.The circle has a radius of 6y centimeters. Find its area. Do not approximate ?. 
A. 36y2? sq cm B. 36y? sq cm C. 12y2? sq cm D. 12y? sq cm
Mathematics