Find f(-3) if f(x) = -2x^2 + x + 3 and g(x) = -2x + 1

HELP please explain how to do it

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.

How many solutions does the nonlinear system of equations graphed below have?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?