Acircle has a circumference of \blue{12}12start color #6495ed, 12, end color #6495ed. it has an arc of length 11. what is the central angle of the arc, in degrees?

If angle 2=3x +1 and angle 3=2x +4what is angle 2

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle