Data set A consists of 7 numbers. Data set B is calculated by adding 10 from each number in data set A. If the standard deviation of data A is 15.2 then the standard deviation of data set B is ... 25.2

15.2

7

23.2

Find the vertex of the function given below y=x^2-6x+1

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.