Answer:
Here's what I get
Step-by-step explanation:

The net chance in Jacob's savings was +80 in the first week, -85 in the second week, and -5 overall.
This is a question of randomness so there really is no answer. I would guess 7 since that is the center page and you're more likely to open it up in or near the middle
Answer:
x = -2
Step-by-step explanation: