Identify and graph the polar equation.r2 = 2 sin(2?) 
A. 
rose with four petals
B. 
rose with four petals
C. 
lemniscate
D. 
lemniscate
Answer: D
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Consider the points plotted in the graph below.
Give the coordinates for point B.
A. (4, -3) B. (-5, 4) C. (3, 4) D. (-3, 4)
If one student is selected at random what is the probability that he or she spent at least 10 hours in the lab?
Use the following information to answer question, 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below. 3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8
Determine whether the given value is a solution to the given equation.Is 4 a solution of -8.5x = -34?
A. No B. Yes
Sketch the graph of the polar equation.r = 4 + 4 sin ?
A. 
B. 
C. 
D. 