Answer:

Step-by-step explanation:
If two polygons are similar, then corresponding sides are in proportion.
The corresponding sides:
4 → x
y → 15
3 → w
2 → 6
z → 9
therefore:
<em>cross multiply</em>

<em>divide both sides by 6</em>

(-4)^-3 =
-4^-3 = 
Basically in this situation there is no difference whether parenthesis are used or not.
It starts becoming bigger :)
The total cost on the bracelet would be $225.75
The answer is 216
Hope this helps