Answer: subtraction property
x-(-6)=18
x+6=18
Subtract 6 from both sides
And you get x=12
Answer:
6.93
Step-by-step explanation:
hope this helps
If the radius is HALF of the diameter, then the expression would be 1/2r=d or d/2=r.
hope it helps!
Answer:

Step-by-step explanation:
Given


Required
Show that these two lines have no point of intersection
The general equation of a line is

Where m represents slope
In 

Similarly; in 

Since the slope of both lines are equal;

<em>This implies that the lines are parallel and parallel lines have no point of intersection</em>
<em></em>
<em>See Attachment for Graph</em>