Classify the angle as acute, right, obtuse, or straight.36°
A. straight
B. right
C. obtuse
D. acute
Answer: D
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = cos (5t)i + 2ln(t - 9)j - 
k
A. v(0) = -
j
B. v(0) = 
j
C. v(0) = -5i - 
j
D. v(0) = 5i - 
j
Mathematics
Find the distance between the pair of points on the number line.16, 0
A. -16 B. 32 C. 16 D. 0
Mathematics
Divide.
A. -84x4 + 96x2 + 36 B. 7x4 + 8x2 - 3 C. 7x7 + 8x5 - 3x3 D. 84x4 + 96x2 - 36
Mathematics
Evaluate the expression.(g ? f)(-4) when f(x) = -3x + 3 and g(x) = -8x2 + 7x - 7.
A. 492 B. -22 C. 12 D. -1702
Mathematics