Y=x^2-5
y=2x-5
y+5=2x
x=(y+5)/2
y=((y+5)/2)^2-5
y=(y^2+10y+25)/4-5
4y=y^2+10y+25-20
0=y^2+6y+5
0=(y+5)(y+1)
y= -5 or -1
y=2x-5 (y= -5 doesn't work for this one so use -1)
-1=2x-5
2x=4
x=2
Using these answers, you can choose answer D with reasonable certainty.
Adjacent right angles are Never complementary
There is a 13 centimeter difference between the first rug and the third rug. The first rug=287 centimeters and the third rug= 300 centimeters.
The sum of two number to equal 95 could equal 90 and 5
