How do you solve this?

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

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.

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t