What's my name I'll give 200 points if right

What are correct trigonometric ratios that could be used to determine the length of ln

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

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.