Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Answer: B
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A hypothesis test is to be performed. State the null and alternative hypotheses.During one flu epidemic the proportion of adults nationwide who have come down with the flu is 8%. The manufacturer of a flu vaccine claims that those who have been vaccinated are less likely to catch the flu.
A. Null hypothesis: proportion of those vaccinated catching the flu = 8% Alternative hypothesis: proportion of those vaccinated catching the flu < 8% B. Null hypothesis: proportion of those vaccinated catching the flu = 8% Alternative hypothesis: proportion of those vaccinated catching the flu ? 8% C. Null hypothesis: proportion of those vaccinated catching the flu < 8% Alternative hypothesis: proportion of those vaccinated catching the flu = 8% D. Null hypothesis: proportion of those vaccinated catching the flu > 8% Alternative hypothesis: proportion of those vaccinated catching the flu < 8%
Divide.-5.7 ÷ (-0.06)
A. 95 B. -9.5 C. 9.5 D. -95
Perform the indicated operations.(6x5 - 7x4) + (9x5 - 2x4 + 3)
A. 14x10 B. 3x - 9x5 + 8x4 C. 14x5 + 4x4 + 3x D. 15x5 - 9x4 + 3
Write as a fraction in simplest form.212
%
A. 2
B. 21
C. 4
D. 1