Provide an appropriate response.List all positive integer pairs that have a product of 30.

A.  3, 10; 5, 6
B. 1, 30
C. 1, 30; 2, 15;  3, 10; 5, 6
D.  2, 15;  3, 10; 5, 6


Answer: C

Mathematics

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A. ? ln (2)
B. ? ln (2)
C. ? ln (11)
D. ? ln (11)

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A. 6 B. 2 C. 4 D. 0

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Solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.x + 3y - 2z - w = 274x + y + z + 2w = 14-3x - y - 3z - 2w = -1 x - y - 3z -2w = 11

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Solve the problem.The volume of a sphere is given by the formula V = ?r3 where r is the radius. A tumor is approximately spherical in shape. Use V'(r) to estimate the increase in volume of the tumor if its radius increases from  to . Round to the nearest 100 mm3.

A. 200 mm3 B. 2900 mm3 C. 1600 mm3 D. 2100 mm3

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