Find the angle between v and w. Round to one decimal place, if necessary.v = 3i + j + 3k and w = i + 2j - 2k
A. 92.9°
B. 92°
C. 94.4°
D. -4.4°
Answer: C
Mathematics
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; R = {(x, y): 1 ? x ? 10, 1 ? y ? 10}
A. 
B. 
C. 
D. 
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Use Euler's formula to answer the question.A polyhedron has 13 vertices and 28 edges. How many faces does it have?
A. 11 B. 17 C. 41 D. 13
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(3ax2)(4b2z)(7a2z) =
a. 84a2b2x2z b. 84a3b2x2z2 c. 84a3b2x2 d. 14ax2bz2 e. 10a3b2x2z
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Identify the equation as a parabola, circle, ellipse, or hyperbola.6x2 = 25 - 6y2
A. Parabola B. Ellipse C. Hyperbola D. Circle
Mathematics