Match the surface show below to the graph of its level curves.

A.

B.

C.

D.

Answer: A

Mathematics

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Write the fraction or mixed number as a percent. Write the percent using decimals.

A. 40%  B. 1000% C. 4%  D. 20% 

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Evaluate the integral using the given substitution. dx , u = x3/2 - 2

A.   sin (x3/2 - 2) + C
B. x3/2 - 2 +  sin 2(x3/2 - 2)+ C
C. sin3 (x3/2 - 2) + C
D. (x3/2 - 2) +  sin 2(x3/2 - 2) + C

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Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.A market researcher selects 500 people from each of 10 cities.

A. Convenience B. Simple random C. Stratified D. Systematic

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Solve the equation.a = 0

A. {1} B. {-24} C. {0} D. {24}

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