In some states, the amount of sales tax on an item is found by multiplying the cost of the item by 0.07. find the sales tax of a dvd that costs $23.99. $1.67 $1.68 $16.79 $0.17

The amount of energy it takes to lift a box might be a function of which of the following

(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.)

The value of cos 30° is the same as which of the following?