The answer below (I need 20 characters to respond so just ignore the words between the parenthesis on this response)
The correct answer is 0.48405
Answer:
Step-by-step explanation:
slope m= (y2-y1) / (x2-x1) = 15-12 / 4-4 = 3/0 is undefined since we can not divide by 0
slope is undefined so the line is vertical
The answer to twelve tines three is thirty six.