I need help with my work in science class

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.

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?

Me i'm timed right now! there's 4 answer