Mr. Kacanich was baking a chocolate cake. The recipe called for cup of unsweetened cocoa
powder, but after he started mixing ingredients, he
realized he didn't have enough. If Mr. Kacanich
borrowed 1 cup from the neighbor, how much of
his own cocoa powder did he have?
cup
3 points

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

(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.)

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?