Answer:
4th one
Step-by-step explanation:
Hey there!
Assuming that

So, let's solve your function, shall we?

Good luck on your assignment and enjoy your day!
~
Answer:
i dont think I can help I am really sorry
Step-by-step explanation:
<span>The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable.</span>
Answer:
no i dont think so becuse they can still be angeled in all diffrent directions
Step-by-step explanation: