Kelly manages an apartment complex with 60 apartments. The monthly rent for an apartment in the complex is $803, of which Kelly gets 9.5%. How much does Kelly
earn in a year?
State your answer in terms of dollars rounded to the nearest whole dollar.

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If the value of cos330°is√3/2 then find cos 165°.

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)