Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 8 cos ?

A. 64?
B. 16?
C. ?
D. 32?


Answer: B

Mathematics

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Provide an appropriate response.The process of amortization includes which of the following?

A. a specific length of time B. equal payments C. variable rates D. both equal payments and a specific length of time

Mathematics

Imagine that you have been asked by firms in the airline industry to use the industrial organization (I/O) model to help them identify reasons for their current performance problems. Which of the following conclusions might you draw?

A. Poor economic conditions have caused customers to reduce the number of times they travel by air. B. War and international tensions have impacted the demand for airline services. C. Increasing fuel costs have hampered the profitability of a number of airlines. D. All of these.

Mathematics

Find the value of the determinant.

A. 240 B. 230 C. -250 D. -240

Mathematics

Find the center (h, k) and the radius r of the circle. Graph the circle.x2 + y2 - 2x - 4y + 1 = 0

A. (h, k) = (-1, -2); r = 2

B. (h, k) = (1, 2); r = 2

C. (h, k) = (1, 2); r = 4

D. (h, k) = (-1, -2); r = 4

Mathematics