State whether the vectors are parallel, orthogonal, or neither.v = 4i + 2j,w = 8i + 4j

A. Orthogonal
B. Parallel
C. Neither


Answer: B

Mathematics

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Use reduction formulas to evaluate the integral.

A. -  csc3  cot  + cot  + C
B. -  csc2  cot  - csc  + C
C. -  csc2  cot  - cot  + C
D. -  csc2  cot  - cot  + C

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The scores on a 30-point multiple-choice exam are given in the following frequency table: The range on the exam is

A. 10. B. 7. C. 9. D. 8. E. none of these

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Find the surface area of the figure. Use 3.14 for ?. Round your answer to hundredths.

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