Evaluate.
4
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Identify the name of the angles labeled in the figure.
A. Vertical angles B. Supplementary angles C. Corresponding angles D. Complementary angles
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Find an equation of variation in which the following are true.y varies jointly as x and w and inversely as z, and y = 
when x = 2, w = 2, and z = 28.
A. y = 
B. y = 
C. y = 28xwz
D. y = 
Mathematics
Write the inequality using interval notation. Graph the inequality.x ? 0
A. (-?, 0)
B. [0, ?)
C. (-?, 0]
D. (0, ?)
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Multiply or divide as indicated. Write the answer in scientific notation.
A. 2 × 10-8 B. 2 × 10-1 C. 2 × 1015 D. 2 × 10-2
Mathematics