Find the distance between the two vectors.u = (-8, -1), v = (1, -8)
A. 
B. 65
C. 130
D. 
Answer: D
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Construct a stem and leaf display for given data.The instructor of an introductory mathematics class has recorded the number of students attending his class in the last 4 weeks. Below are his recordings.
A. 
B. 
C. 
D. 
Solve the problem.Each piece of graphite for a mechanical pencil is 65 millimeters long. Find the total length in centimeters of the graphite in a package with 40 pieces.
A. 2.6 centimeters B. 2600 centimeters C. 260 centimeters D. 26 centimeters
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function
domain: all real numbers
range: {y|-1 ? y ? 1}
intercepts: (-?, 0), (- 
, 0), (0, 0), (
, 0), (?, 0)
symmetry: origin
B. function
domain: {x|-? ? x ? ?}
range: {y|-1 ? y ? 1}
intercepts: (-?, 0), (- 
, 0), (0, 0), (
, 0), (?, 0)
symmetry: origin
C. function
domain: {x|-1 ? x ? 1}
range: {y|-? ? y ? ?}
intercepts: (-?, 0), (- 
, 0), (0, 0), (
, 0), (?, 0)
symmetry: none
D. not a function
Use a distributive property to evaluate the expression.(11 + 9)(-7)
A. -14 B. -140 C. -52 D. -68