If a=9in, b=9in, c=15 in, and d=24in

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

How does reflecting or rotating a figure change the interior angles of the figure?

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?