Evaluate the expression with the given replacement values.7x2; x = 3

A. 147
B. 441
C. 63
D. 42


Answer: C

Mathematics

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Evaluate the improper integral or state that it diverges.

A. -15 B. 15 C. 30 D. diverges

Mathematics

A sample statistic and margin of error are given. Find the confidence interval likely to contain the population parameter of interest and answer the question.In a survey conducted in a certain city it was found that 5.3% of men and 6.1% of women were unemployed. The margin of error for each report was 0.6 percentage points. Use each sample statistic to find a confidence interval. Can we conclude that the unemployment rate is higher amongst women than amongst men?

A. men: 4.7% to 5.3% women: 6.1% to 6.7%  yes B. men: 4.7% to 5.9% women: 5.5% to 6.7%  no C. men: 5.3% to 5.9% women: 5.5% to 6.1%  no D. men: 5% to 5.6% women: 5.8% to 6.4%  yes

Mathematics

Indicate whether the quotient is 0 or undefined.

A. 0 B. undefined

Mathematics

Solve.Claire is reading a 501-page book. If she has just finished reading page 219, how many more pages must she read to finish the book?

A. 392 pages B. 292 pages C. 283 pages D. 282 pages

Mathematics