-6.867
You do 13 divided by 15 the plug in the -6 in the front
Answer:
3
Step-by-step explanation:
<h2>Plz give me brain</h2>
Answer:

Step-by-step explanation:
The scale factor (C) is the ratio of corresponding sides of the two pyramids.
The ratio of the areas is the square of the scale factor.

The scale factor is
.