Answer:
man I have no idea dude I don't really know squares if you're talking about square root I really don't know
0.581 i used a calculator
The rate of change is 25%
hope this helps,
Batgirl12
Answer:
x = -1
y = -2
Step-by-step explanation:
5x + 2y = -9 2y = -9 - 5x y=(-9-5x)/2
3x + 4y = -11
3x+4[(-9-5x)/2] = -11
3x+( -36-20x)/2 = -11
3x-18-10x = -11
-7x = 7
x = -1
y = -2