Answer:
Hey! I think I can help.
Parallel lines are lines that can't meet.Perpendicular lines are lines that can meet.
e.)Since the line at 12 and the line at 9 meets then it is a perpendicular line.
c.)Perpendicular line.
a.)Perpendicular line.
b.)Parallel line.
d.)Depending on how they are faced if the ends of the telephone wire meets the second one then it is perpendicular but if not then it is parallel that's if they are in different directions which they can not meet.Thank you for the question
C I believe the -2 part that was the one just looked it up on google XD hope it helped
Step-by-step explanation:
The picture is in sphere shape
so if you move it will be in the same position
V=hπr^2
V=(2k+1)π(3k)^2
V=π(2k+1)(9k^2)
V=π(18k^3+9k^2)
V=18πk^3+9πk^2
Answer:
Step-by-step explanation:
For the quadratic equation 
the discriminant is defined as
and the quadratic formula for the roots gives us two roots:
and
For the equation 
use quadratic formula to find roots:
So,
