Tarzan wants to buy a cupboard that normally costs $21.94. It is currently on sale for $5.66. What is the percentage discount? Round
your answer to the nearest tenth.

HELP PLEASE

What is this inequality notation? t is less then or equal to 2

How far could you drive on 50 gallons of gas

(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.)