Answer: The third one or C
Step-by-step explanation: That is the correct distance formula.
Answer:
the greatest common factor is 2x^2
2(x+1)=2x+2 if you factor the right side ..
2(x+1)=2(x+1)
This is always true for any value of x so there are infinitely many solutions...
x= all real numbers.
Triangles are anything with three vertexes and three angles to it and are always closed.
Quadrilaterals are anything with four vertexes and four angles on them and are always closed. Examples include a square, rectangle, trapezoid etc.
