Solve the problem.A pendulum swings through an angle of 20° each second. If the pendulum is 35 inches long, how far does its tip move each second? If necessary, round the answer to two decimal places.
A. 14.65 inches
B. 12.22 inches
C. 10.37 inches
D. 13.51 inches
Answer: B
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Simplify the fraction.
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B. 
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D. 
Find the mean for the sequence of numbers.3, 7, 11, . . . , 167
A. 47 B. 11 C. 85 D. 42.5
Write the system of equations that corresponds to the augmented matrix.
A. 
B. 
C. 
D. 
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: {x|-1 ? x ? 1} range: all real numbers intercepts: (-1, 0), (1, 0) symmetry: x-axis, y-axis B. function domain: {x|x ? -1 or x ? 1} range: all real numbers intercepts: (-1, 0), (1, 0) symmetry: x-axis, y-axis, origin C. function domain: all real numbers range: {y|y ? -1 or y ? 1} intercepts: (-1, 0), (1, 0) symmetry: y-axis D. not a function