500x+6y=11216. and 800x+4y=9344 solve substuition method

In part i, the independent variable, the one that is intentionally manipulated, in part ii, the independent variable changes the dependent variable, the one you measure the response in, is the same for parts i and ii. for both parts of the lab, the dependent variable

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Triangle xyz has vertices x(1,3), y(0,0)