You purchase a brand new red car for $23,400. if the car depreciates at a rate of 15% per year, find the decrease in value from the end of the second year of ownership to the end of the third year of ownership.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

(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.)

Which figures are polygons? select each correct answer. figure a figure b figure c figure d