Which of the following situations best represents causation? a) if it is raining, then there are clouds in the sky b) when it is cold outside, hot chocolate sales increase c) if i train every day, i can make the track team d) if i study, i will get an a in physics

Plz which expression is equivalent to the expression below?

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

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.