What is the Nature of Roots of x^2+9x+14=0?

Which is the graph of the function y=2(4)^x

Which fraction below is equivalent to 10/12?

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.