Please help! Will give brainliest to best answer!

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.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Secant be and cf intersect at point d inside a what is the measure of cde