Which of these r-values represents the strongest correlation -0.7,-0.8,-0.5,-0.6

Can you draw an isosceles triangle with only one 80 degree angle?

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ