Change the polar coordinates (r, ?) to rectangular coordinates (x, y).(-6, ?)
A. (-6, 0)
B. (0, 6)
C. (0, -6)
D. (6, 0)
Answer: D
Mathematics
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Write < or > between the pair of numbers to make the statement true.10 ? -5
A. < B. >
Mathematics
Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find tan ?.
A. tan ? = 
B. tan ? = 
C. tan ? = 
D. tan ? = 
Mathematics
Solve.Jameel's cellular phone plan gives him 550 anytime minutes per month for a monthly access fee of $45.99. Minutes in excess of 550 are charged at the rate of $0.42 per minute. Last month, Jameel used his cellphone for 629 minutes. How much was he charged?
A. $33.17 B. $81.54 C. $310.17 D. $79.17
Mathematics
Solve the equation by completing the square.9x2 + 4x - 5 = 0
A. 
B. 
C. 
D. 
Mathematics