What is 4/5+(−7/5)?
(it's in fraction form)

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.