Verify the identities by working down one side of the identity or the other, or both sides of the identity. PLEASE HELP ME I NEED THIS TEST DONE QUICKLY

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.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Why is x= 4 a solution to the proportion 14/x 56/1 6