Find a polar equation for the circle.(x - 4)2 + y2 = 16
A. r = - 8 cos ?
B. r = 4 cos ?
C. r = 8 cos ?
D. r = 8 sin ?
Answer: C
Mathematics
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Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The magnitudes of two stars, A and B, are 5 and 13, respectively. Compare the brightness of these stars.
A. Star B is ? 3.98 × 103 times brighter than star A. B. Star A is ? 1.00 × 104 times brighter than star B. C. Star A is ? 1.00 × 1016 times brighter than star B. D. Star A is ? 1.58 × 103 times brighter than star B.
Mathematics
Find the real solutions of the equation.
= x + 6
A. {-8} B. {8} C. {-7} D. {10}
Mathematics
Divide.
A. 4.25 B. 0.235 C. 4 D. 5.25
Mathematics