Find 
if the values of x and y are such that the following matrices are equal.
?
?
A. 18
B. -14
C. 10
D. -10
E. 14
Answer: C
Mathematics
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What will be an ideal response?
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 5 cos 2t + 4 cos 6t, y = 5 sin 2t - 4 sin 6t, 0 ? t ? ?
A. 
B. 
C. 
D. 
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Determine whether the two lines are parallel, perpendicular, or neither parallel nor perpendicular. 3x - 6y = -1518x + 9y = 15
A. Parallel B. Perpendicular C. Neither
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Solve the problem.Find n when a1 = 7, d = -7, and an = -147.
A. 23 B. 22 C. 16 D. 24
Mathematics