X + y + 2 = 6
3x - 2y = - 4
2x - y + = 9

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.

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?