Choose the polar equation that matches the graph.
A. r = 2 cos(?/2)
B. r = 2 sin(?/2)
C. r = 2 sin(2?)
D. r = 2 cos(2?)
Answer: C
Mathematics
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Solve the problem.In a game, you have a 
probability of winning 
and a 
probability of losing 
What is your expected winning?
A. -$2.86 B. $9.05 C. $6.19 D. $3.33
Mathematics
Fill in the missing value.33.3 hg = ___________ g
A. 33,300 B. 3.33 C. 3330 D. 333
Mathematics
Find the equation of the line that has the given properties. Write the equation in slope-intercept form, if possible. Contains (6, -7); perpendicular to the line -7x + 2y = -28
A. -2x - 7y = 37 B. 6x - 2y = -28 C. -2x + 7y = 37 D. -7x - 2 = -7
Mathematics
Verify that each equation is an identity.sec ? + tan ? = 
What will be an ideal response?
Mathematics