Answer:
you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points
Answer:
Option C. 
Step-by-step explanation:
we have

Solve for x
That means ---> isolate the variable x
Multiply by 8 both sides to remove the fractions

Multiply by -1 both sides
Remember that
When you multiply or divide both sides of an inequality by a negative number, you must reverse the inequality symbol

Divide by 5 both sides

Step-by-step explanation:
Hope it helps you in your learning process.
Answer:
No, as a scalene triangle's sides are are different, while an equilateral's sides are all the same.
Hope that helps, :)