What is the ideal number of children to have in a family? The following data represent the ideal number of children for a random sample of 900 adult Americans.

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.

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Solve the given system of equations. 2y= -x+9 , 3x-6= -15