Identify the dependent variable in the statement: the quality of a public school teacher and the amount of student learning.

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

96 39 cause 135 -96=39 im smart (i used a calculater)