Help please easy alot of points if you put a terrible answer I'm reporting (4pts) Find the a. mean and b. standard deviation for the data set. Round to two decimal places. SHOW ALL WORK.
Number of Television Sets per 100 people in 5 countries: 75, 45, 80, 60, 65

a.) Mean = b.) Standard Deviaion =

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?