Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 8 cos 3?
A. 
?
B. 
?
C. 16?
D. 32?
Answer: C
Mathematics
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Match the inequality with its correct representation.{x | x ? -4}
A. (?, -4] B. [-4, ?) C. (-?, -4] D. [-4, -?)
Mathematics
Eliminate the parameter of the pair of parametric equations.x = 
, y = 2t + 5
A. y = 2
- 5, x ? 0
B. y = 2
+ 5, x ? 0
C. y = 2x2 - 5
D. y = 2x2 + 5
Mathematics
Find the probability.Each digit from the number 1,464,334 is written on a different card. If one of these cards is selected at random, what is the probability of drawing a card that shows 1, 4, or 6?
A. 
B. 
C. 
D. 
Mathematics
Find all real numbers that satisfy the equation.tan 2? = - 
A. 
B. 
C. 
D. 
Mathematics