Answer: The entire term b^2 − 4ac must be divided by 2a before its square root can be determined.
-1/4 because you have to do ride over run which is y2-y1 divided by x2-x1. Then you get your answer.
The answer would be 42 because its the same angle as the other one
I hope I helped! ♥
Answer:
A)60°
Step-by-step explanation:
a straight line is 180° then
if a line bisect it in to a half it become 90°
then
the exterior angle of a triangle is equal to the sum of two interior angles
this means 150°-90°=60°
