Answer:
See attachment
Step-by-step explanation:
The coordinates of the vertices of this triangle are;

The mapping for a dilation with a scale factor -4 about the origin is :

The coordinates of the vertices of the dilated triangle are:

We plot these points and connect them with straight lines.
Company A will cost more than B in 6 months :D
Answer:
On the photo it shows all the steps you need. Next time you should make the multiplying symbol to this * instead it'll be easier to understand because if it was a or a multiply symbol