Perpendicular lines are lines that cross at a 90 degree angle
Lines AB and BC
Using the quadratic equation we get:

Factoring out 2 we get

Factoring out the imaginary number:

So b.
Answer:
Angle g = 29 degrees
Angle h = 180-29 = 151 degrees
Angle k = 61 degrees
Angle m = 180 - 61 = 119 degrees
Step-by-step explanation:
The answer is .469 its just simply both percentages as percents multiplied together so .7*.67= .469