Find the magnitude of the vector and the angle 
, 
, that the vector makes with the positive x-axis.
?
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: A
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Solve the problem relating to the Fibonacci sequence.If a 13-inch wide rectangle is to approach the golden ratio, what should its length be?
A. 20 in B. 8 in C. 21 in D. 34 in
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Using Kruskal's algorithm, which edge should we choose first?
A. BD B. EF C. DF D. BF E. none of these
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.y = 
A. y-axis B. origin C. x-axis D. x-axis, y-axis, origin E. none
Write a word name for the number in the sentence.Scientists were predicting the demise of the space colony as the population approached 900,733,000.
A. nine hundred million, seven hundred thirty-three B. nine million, seven hundred thirty-three thousand C. nine hundred billion, seven hundred thirty-three million D. nine hundred million, seven hundred thirty-three thousand