According to the US Census Bureau's American Community Survey, 78%, percent of Americans over the age of 25 have earned a high school diploma. Suppose we are going to take a random sample of 100 Americans in this age group and calculate what proportion of the sample has a high school diploma. The mean of the sampling distribution of the proportion is

Multiplying an even number of negative numbers gives an answer that is choose from:

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.