What is the mode of the data set (30,28,30,45,40,37,35)? Level 1-2 28

30

45

37
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The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.