Plot 3-7 in the complex plane

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.