Answer:
its A & B, x<50
Step-by-step explanation:
atmost means till 50.
atleast means more than 50.
Let the water surface be 0.
He starts at 15 and gets to the water surface of 0 so he travels 15 meters.
He then goes 5 meters below the surface.
15 + 5 = 20 total meters.
Answer:

The slope is negative.
General Formulas and Concepts:
- Order of Operations: BPEMDAS
- Slope Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
Point (-5, 19)
Point (-1, 7)
<u>Step 2: Find slope </u><em><u>m</u></em>
- Substitute:

- Simplify:

- Subtract/Add:

- Divide:

Those number are all powers of 10
10= 10^1
100= 10^2
1000= 10^3
and so on...
60/24*15 just like one day have 24 hours