Graph the polar equation.r = 3 sin 2?
A. 
B. 
C. 
D. 
Answer: B
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Describe the graph of the polar equation.r2 = 48 rcos ? - 6r sin ? - 9
A. Parabola opening upward with vertex (48, -6) B. Circle with radius 3 and center (48, -6) C. Parabola opening to the right with vertex (48, -6) D. Circle with radius 24 and center (24, -3)
Use formulas to find the area of the plane region.
A. 32 in2 B. 12 in2 C. 64 in2 D. 16 in2
Write the whole number in standard form.One hundred million, six thousand
A. 1006 B. 100,006,000 C. 106,000,000 D. 1,600,000
Solve the problem.John owns a hot dog stand. He has found that his profit is given by the equation 
where x is the number of hot dogs sold. How many hot dogs must he sell to earn the most profit?
A. 43 hot dogs B. 26 hot dogs C. 25 hot dogs D. 21 hot dogs