Step-by-step explanation:
2(sp)=ln
6x+2=10x-6
8=4x
x=2
therefore sp=3×2+1=6+1=7
Option D
1 1/4 because you must make improper fractions
It looks floppy but you said you need this fast so yeah
I believe it has 8 angles, each are 135 degrees
sorry if its wrong