A data set is shown below. (38, 50), (89.80), (75, 80), (20.40)
What is the approximate correlation coefficient when the data is modeled by its linear
best-fit equation?

Which system of linear inequalities is represented by the graph?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

What is the ratio fraction form of 25: 9