Yes it is the last choice. You are correct
-1.5 is your answer, your welcome
The slope for this problem is -3
A <span>To find the Scale Factor divide= </span><span>a side in the image /<span>the same side in the figure</span></span>
If all the angles are 60 degrees, this is an equilateral triangle. This means that all the sides have the same lengths. Whatever length side a is, b and c have the same length.
Hope this helps :)
