Determine the center and the radius of the circle.49(x - 6)2 + 49y2 = 81
A. (6, 0), r = 
B. (0, -6), r = 
C. (6, 0), r = 9
D. (-6, 0), r = 
Answer: A
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Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.
A. 
?
B. 
?
C. 6?
D. 
?
Find the differential of the function.y = 4x2 - 5x - 5
A. 2(4x - 5) dx B. (3) dx C. 8x - 5 D. (8x - 5) dx
Determine all pairs (x, y) of integer values of x and y that satisfy the equation.|x| + |y| = 1
A. (0, 1), (0, -1), (1, 0), (-1, 0), (1, -1), (-1, 1) B. (0, 1), (1, 0) C. (0, 1), (0, -1), (1, 0), (-1, 0), (1, -2), (-1, 2), (2, -1), (-2, 1) D. (0, 1), (0, -1), (1, 0), (-1, 0)
Provide an appropriate response.The length of time for which money is borrowed is called the term of a promissory note.
A. True B. False