Solve this equations. be sure to show your work carefully and check your answer.

2-(y+2)=3y

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?

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.