Answer:

Step-by-step explanation:
times p on both sides
then plus e on both sides
then divide t on both sides
Answer:
-2.5
Step-by-step explanation:
-30 + (-15) + (-20) + 55 = -10. Then you divide it by how many numbers there are (4). Which equals - 2.5. If this is wrong, then round up to -3.
I believe it is the last answer choice
It is 4170 I believe if my calculations are correct