384 would be your answer. Hope this helps!
Answer:

Step-by-step explanation:

Remove the unnecessary parentheses

Collect like terms


Hope I helped!
Best regards! :D
Vertices of the given triangle are: (0, 0) , (8, 0) and (-6, 0)
If we dilate the triangle with a scale factor of 1/2 , then the new vertices will be...



Now we will just plot those vertices for getting the dilated triangle.
It will be 13 min because you have to work backwards. The area of a square is the sides squared. Just do the square root of 169 and you get 13.