Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 17.5 mi
B. 24 mi
C. 25 mi
D. 20 mi
Answer: D
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A hypothesis test is to be performed. State the null and alternative hypotheses.An environmental group believes that the health of the residents of Castletown is adversely affected by the oil refinery in their town. It believes that in Castletown, the proportion of children who suffer from asthma is higher than the nationwide proportion of 9.1%.
A. Null hypothesis: proportion of Castletown children with asthma < 9.1% Alternative hypothesis: proportion of Castletown children with asthma > 9.1% B. Null hypothesis: proportion of Castletown children with asthma = 9.1% Alternative hypothesis: proportion of Castletown children with asthma ? 9.1% C. Null hypothesis: proportion of Castletown children with asthma = 9.1% Alternative hypothesis: proportion of Castletown children with asthma > 9.1% D. Null hypothesis: proportion of Castletown children with asthma > 9.1% Alternative hypothesis: proportion of Castletown children with asthma = 9.1%
For an election with four candidates (A, B, C, and D) we have the following preference schedule:
The ranking of the candidates using the plurality-with-elimination method is
A. first: C; second: A; third: D; fourth: B. B. first: C; second: A; third: B; fourth: D. C. first: C; second: D; third: A; fourth: B. D. first: D; second: C; third: A; fourth: B. E. none of these
Find the tax rate for the area. Round to the nearest tenth of a percent.Total tax needed: $80,000Total assessed value: $9,203,000
A. 9.0% B. 0.9% C. 1.1% D. 0.8%
Solve the problem.3 - x ? 7x + 4 and 3x - 16 ? 5x + 16
A. 
B. 
? 
C. 
D. 