On a number line, what number is 10 units to the right of –2?
A. –11
B. –8
C. –12
D. 9
E. 8
Answer: E
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Solve the problem.Find the length of the pulley belt shown in the figure if the belt crosses at 60° angles. The radius of each circle is 9.39 in.
A. 104 in. B. 144 in. C. 81.8 in. D. Not enough information.
Solve the problem.In a school survey, students showed these preferences for instructional materials. 
About how many students would you expect to prefer computers in a school of 700 students?
A. About 126 students B. About 36 students C. About 252 students D. About 140 students
Solve the problem.The table lists the average composite scores on a national entrance exam for selected years. 
Make a line graph of the data. If the graph represents a piecewise-linear function f, find a symbolic representation for the piece of f located on the interval 
A. f(x) = 122.7 if 1988 ? x ? 1990
B. f(x) = 0.75x - 1358 if 1984 ? x ? 1988
C. f(x) = 4.4x - 8606.9 if 1988 ? x ? 1990
D. f(x) = 131.5 if 1984 ? x ? 1986
Graph the sinusoidal function.y = 2 sin (4x)
A. 
B. 
C. 
D. 