All are relations except for relation 3
P-23=-3
+23 +23
P=20
so the answer is A
Answer:
-6
Step-by-step explanation:
Add 2x-15 to both sides to get 2x=-12 or x = -6.
Use the distance formula.
Points S and W.



~3.6
Points S and T




~3.6
Points T and U




~3.1
Points U and V



~4
Points V and W




~3.3
Add all these together.
3.3 + 3.1 + 4 + 3.1 + 3.6
≈17