Using distance formula, the answer in radical form would be radical 52, or the square root of 52. The square root of 52 is equal to approx 7.2
The midpoint would be (-8.5,-3.5))
K/9 > 1/3
i believe this is how it is represented.
The answer is Angle Y equals 138.
angle y= 180 -42 which gives u 138