Find the exact value of x.cot-1 x = cos-1 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find a parametrization for the line segment beginning at P1 and ending at P2.P1(3, 0, -2) and P2(0, 5, 0)
A. x = 3t, y = -5t + 5, z = -2t, 0 ? t ? 1 B. x = -2t, y = -4t + 5, z = 3t, 0 ? t ? 1 C. x = -3t + 3, y = 5t, z = 2t - 2, 0 ? t ? 1 D. x = -2t + 3, y = -4t, z = 3t - 2, 0 ? t ? 1
Mathematics
Perform the indicated operation by hand.14.6 + 14.8
A. -0.2 B. 29.5 C. 0.2 D. 29.4
Mathematics
Write each mixed number as an improper fraction.6
A. 
B. 
C. 
D. 
Mathematics
Solve.x = 
+ 7
A. 3 B. -9 C. 12 D. 3, 12
Mathematics