Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. 4 B. Divergent C. -4 D. 0
Mathematics
Determine all values for the digit d that make the first number divisible by the second number. If none exist, so state. 4,3d0 is divisible by 6.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the equation of the circle with the given center and radius.Center (0, 9), radius 
A. (x + 9)2 + y2 = 225 B. x2 + (y - 9)2 = 15 C. x2 + (y + 9)2 = 15 D. (x - 9)2 + y2 = 225
Mathematics
Graph the function.y = -cot (?x)
A. 
B. 
C. 
D. 
Mathematics