Y=2x + 4? What type of graph represent the solutions of the equation

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

What is the solution to the system of equations? y=1.5-3 y=-x

Pls what is the decimal equivalent of 5 over 9? select one: a. 0 point 5 bar over top of 5 b. 0 point 6 bar over top of 6 c. 0 point 8 bar over top of 8 d. 0 point 9 bar over top of 9