For a random sample of nine (9) girls, the average resting pulse rate is x = 76 beats per minute, and the sample standard deviation (s) = 5. The standard error of the sample mean is a. 0.557
b. 0.745
c. 1.667
d. 2.778

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

Write a story that matches with the expression 42x-5 pls hurry