While watching a football game, lin chow decided to list yardage
gained as positive integers and yardage lost as negative integers. after
these plays, lin recorded 14, –7, and 9. what was the net gain or loss?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%

(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.)