Solve the inequality. Graph the solution set and write it in interval notation.
< 5
A. (-30, ?)
B. (-?, -30)
C. [-30, ?)
D. (-?, -30]
Answer: A
Mathematics
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A. 
B. 
C. ?
D. 
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Rewrite the expression without absolute value bars.
A. 
B. 
C. - 
D. - 
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Use the following notations: r = radius of a circle, v = linear velocity, ? = angular velocity. Find the missing quantity. Round to the nearest tenth if necessary.r = 13 feet, ? = 2.2 rad/sec, v = ?
A. 15.2 ft/sec B. 5.9 ft/sec C. 28.6 ft/sec D. 10.8 ft/sec
Mathematics
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(0, -3)} B. {(-1, -5)} C. {(-3, 0)} D. {(-3, 3)}
Mathematics