Suppose we want to conduct a hypothesis test for evaluating whether the proportions of Democrats and Republicans who think that driving while impaired by marijuana poses a very serious threat are different. Calculate the sample statistic for this hypothesis test. Calculate the standard error for this hypothesis test.

Ineed with 14, 16, 28 and 36 me. we didn't go over them in class so i don't know what to do.

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9