Solve for x:
6x-20=x+40

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Polynomial that can be factored as (3x-4)(3x+4)

How many terms does the polynomial x^2 y^2 have