?Find the angle ? in radians between the vectors 
. Round your answers to three decimal places.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
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Find 
by using logarithmic differentiation.y = (x3 + 1)2(x - 1)4x2
A. 
+ 
+ 
B. (x3 + 1)2(x - 1)4x2(2ln(x3 + 1) + 4ln(x - 1) + 2ln x)
C. (x3 + 1)2(x - 1)4x2
D. (x3 + 1)2(x - 1)4x2
Answer the question about the twisted Sierpinski gasket.The following properties describe the Sierpinski gasket and/or the twisted Sierpinski gasket. Which properties apply ONLY to the twisted Sierpinski gasket? I. Infinitely long boundary II. Infinitely small area III. Exact, infinite, and universal self-similarity IV. Approximate, infinite, and universal self-similarity
A. I and II B. I, II, and IV C. IV only D. III only E. I, III, and IV
Write a word name for the number in the sentence.Astronomers predicted that it would take 403,004,800,000 earth years for the newly found supernova to make one revolution around the center of its galaxy.
A. four hundred three billion, four million, eight thousand B. forty-three billion, four hundred million, eighty thousand C. forty-three billion, four million, eight hundred thousand D. four hundred three billion, four million, eight hundred thousand
Solve the system by the substitution method.2x2 + 4y2 = 36y = x + 3
A. 
B. 
C. 
D. 