Ineed with this asap you will get 10 points if you answer it

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.