Simplify. 
A. 
B. 
C. 
D. 
Answer: A
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Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 
List the elements in the sample space of the experiment.A group of 18 people are assigned numbers 1 through 18. List the sample space of the event choosing a person with a number 5 or less.
A. {1} B. {18} C. {1, 2, 3, 4} D. {1, 2, 3, 4, 5}
Factor the expression completely, if possible.64 - z3
A. (4 - z)(16 + 4z + z2) B. (4 + z)(16 - 4z + z2) C. (4 - z)(16 + z2) D. (4 - z)(16 - 4z + z2)
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 = 16 cm, ? = 45 rad/sec, v = ?
A. 675 cm/sec B. 720 cm/sec C. 675 rad/sec D. 720 rad/sec