Solve the problem.A rectangular board is 13 by 18 units. The foci of an ellipse are located to produce the largest area. A string is connected to the foci and pulled taut by a pencil in order to draw the ellipse. Find the length of the string.
A. 13
B. 36
C. 26
D. 18
Answer: D
Mathematics
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A. 76 B. 760 C. 70,600 D. 706
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Write in exponential notation. Do not evaluate.(-2)(-2)(-2)(-2)
A. 8 B. (-2)2 C. (4)2 D. (-2)4
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Solve the linear equation.-8b + 7 + 6b = -3b + 12
A. -12 B. 5 C. -7 D. 12
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Find the angle of least positive measure that is coterminal with the given angle.
A. 
B. - 
C. 
D. 
Mathematics