Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators.
B. Use the reciprocal of the second fraction (divisor) and multiply.
C. Add the numerators and multiply the denominators.
D. Add the numerators and factor the denominators.
Answer: B
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Convert to scientific notation.2,166,000,000
A. 2.166 × 106 B. 2.166 × 109 C. 216.6 × 107 D. 2166 × 106
Subtract. Simplify, if possible.
- 
A. 
B. 
C. 
D. 0
Solve the problem.One maid can clean the house in 3 hours. Another maid can do the job in 8 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Solve the problem.It has been found that the less income people have, the more likely they are to report that their health is fair or poor. The function 
models the percentage of Americans reporting fair or poor health, f(x), in terms of annual income, x, in thousands of dollars. Find and interpret f(24).
A. f(24) ? 16.4; 24% of Americans earning $16.4 thousand annually report fair or poor health. B. f(24) ? $17.4; 24% of Americans earning $17.4 thousand annually report fair or poor health. C. f(24) ? 17.4; 17.4% of Americans earning $24 thousand annually report fair or poor health. D. f(24) ? 16.4; 16.4% of Americans earning $24 thousand annually report fair or poor health.