Which statement is used to prove that quadrilateral abcd is a parallelogram

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

(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.)

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?