Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 5 cos ?
A. 25?
B. 
?
C. 
?
D. 
?
Answer: D
Mathematics
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Add or subtract as indicated.(-7x2y2 - 11y4) + (9x2y2 + 15y4)
A. -63x4y4 - 165y8 B. 2x4y4 + 4y8 C. 2x2y2 + 4y4 D. 2x2y2 - 4y4
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Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
Write each whole number in standard form.Eight thousand, one hundred sixty-seven
A. 81,067 B. 8,167 C. 800,167 D. 810,067
Mathematics
Find the exact value of the following expression without using a calculator.csc (45°)
A. 
B. 
C. 1
D. 
Mathematics