He is five feet below sea level. He descends 4 more time which is 5*4 = 20. So, -5 (below the sea level) -20 (for descending more) which is 25 feet below the sea level.
Answer:
2y - 10y = (2 - 10)y = -8y
4 because if you add 4 and 8 that would be 12
5.47722557505 :) have a nice day hope I helped
Answer:
x = 2
y = 4
z = 8
1. xy
10
2. x + z
8
3. z - y
4
4. x + y + z
14Step-by-step explanation: