512=2w^2 is the best answer
Answer:
it is a triangles because the other are the name of the triangle.
Step-by-step explanation:
The answer would be each pair of sandals costed $14
$14+$14=28+$3=$31
400 i think i am pretty sure but if it's wronge i apolize
+2x-15=0
+2x=0+15
2x=15
X=15/2
X=15/2 or 7,5
