Write an equivalent expression using the given property.
part a: commutative property of multiplication
3xy =
part b: associative property of addition
x+y+z
=
part c: distributive property
3x(y-2) =

Determine whether angle-angle-angle (aaa) is a valid means for establishing triangle congruence. if it is a valid criterion, explain why. if it is not valid, use geogebra to create a counterexample demonstrating that it doesn’t work and give an explanation. if you construct a counterexample, take a screenshot of your work, save it, and insert the image in the space below.