The first one is -2x+15y=-13
The second one is uhhh well I d and K
Answer: Quadrant IV
Step-by-step explanation: Pic attached.
I found the x and y using substitution (isolating one variable and plugging it into the other). There was probably an easier way but I couldn't think of it at that moment.
From there, you have the point ( 133/36 , -23/18), or a (+, -).
Find Which quadrant has positive x and negative y.
In this case, this would be Quadrant IV or 4.
Hope this helps! Sorry if too complicated lol.
21.9089 is the geometric mean..
Exact form: 218
decimal form: 14.764