Find the prime factorization of the composite number.28

A. 4 ? 7
B. 22 ? 7
C. 72 
D. 4 ? 2

Answer: B

Mathematics

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Change the order of integration and evaluate the integral.

A.
B. ?
C.
D. ?

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Mathematics

Write the decimal as a percent.0.074

A. 74% B. 7.4% C. 0.074% D. 0.0074%

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Mathematics

Answer the question.In the equation 4x + y = 18, the value of x is 2. What is the corresponding value of y?

A. y = 22 B. y = 5 C. y = 10 D. y = 26

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Mathematics

Use the laws of exponents to simplify. Write the answer with positive exponents.

A.
B. 64
C. 81/2
D. 2

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Mathematics