3b=y+3x
To solve for B you need to put B before the equals sign
2.5+ 2.5= 5 miles i think
The shape has 9 sides.
Sum of interior angles = (n-2) x 180, where n is the number of sides.
Sum of interior angles = (9-2) x 180 = 7 x 180 = 1,260 degrees.
Depends on the confidence level