Solve the equation and check your solution.
= 7
A. n = 9
B. n = 21
C. n = 10
D. n = 2
Answer: B
Mathematics
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Solve the problem.Find an Euler circuit for the following graph by labeling the edges 1, 2, 3, and so on in the order in which they can be traveled. 
A. 
B. 
C. none of these
D. 
E. 
Mathematics
Use a definite integral to find an expression that represents the area of the region between the given curve and the x-axis on the interval [0, b].y = 6x2
A. -2b3 B. -12b C. 2b3 D. 12b
Mathematics
Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 138.5 cm B. 16.643 cm C. 277 cm D. 11.5 cm
Mathematics
Find the center and radius of the circle.x2 + y2 - 10x - 2y + 17 = 0
A. (-5, -1); r = 9 B. (-1, -5); r = 9 C. (5, 1); r = 3 D. (1, 5); r = 3
Mathematics