Please help (math problem)
I will give brainliest

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.