Does anybody know some math programs? I want to get better at math since I have the time.

Anthony is making a collage for his art class my picking shapes randomly. he has five squares, two triangles, two ovals, and four circles. find p( circle is chosen first)

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2