Answer:
Step-by-step explanation:
If two lines are parallel then they will have the same slope. So all you need to do is find the slope of the line that joins the two given points. You can use the slope formula
. You can also graph the two points and use rise over run. 
Answer:
16/18
8/9
Step-by-step explanation:
the answer is B) -8/9
Answer: 17.6 facetime
Step-by-step explanation: just did the assignment and it was right
To find the radius, then, we insert 18 in for the circumference. So 18=2∏r. Solving for r gives 9/∏, or approximately 2.86 inches.
Answer: 9mm
Step-by-step explanation: