Answer:
Two lines that both lie in the same plane must either cross each other or be parallel, so skew lines can exist only in three or more dimensions. Two lines are skew if and only if they are not coplanar.
Step-by-step explanation:
Answer:
-3.5
Step-by-step explanation:
An example is -3.5.
Answer:
C. 4
Step-by-step explanation:
2x³+2x¹+2x+5+4/x-1
Answer:
c=42
s=30
Step-by-step explanation:
line N has slope m = 
given a line with slope m then the slope of a line perpendicular to it is
= - 
thus line N has slope -
= 