Answer: -5
Step-by-step explanation:
Open brackets:

Isolate variables:

Parallel lines or line segments never intersect.
Here we see that segments AB and ST are parallel.
Perpendicular lines or line segments intersect at a 90 degree angle.
Here we see that KL is perpendicular to IJ.
I hope it helps!
#
Answer:
28.27
Step-by-step explanation:
Answer:
0=-3*4+b Add 3*4=12
Step-by-step explanation: