How does buying items in bulk usually a consumer?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

(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.)

How many 2/5s are in 1 and 1/2 plz someone me right now