Answer:
<h2>neither</h2>
Step-by-step explanation:
If AB an CD are parallel, then their slopes are the same.
If AB and CD are perpendicular, then the product of their slopes is equal -1.
The formula of a slope:

Calculate the both slope:


The line AB and line CD are not parallel

The line AB and line CD are not perpendicular.
Answer:
6/10 or 6/1/10
Step-by-step explanation:
5 3/5 + 1/3 +1/6 =6/10 or 6/1/10
Nothing is mentioned...how am I supposed to help you?
Answer:
1/2 is the answer. i just took the quiz
Step-by-step explanation:
[ (12 - n)/7 ] = -1
12- n = -7
-n = -19
n = 19