Answer: An area or ridge of land and it’s useful because separates waters from flowing into different rivers
Step-by-step explanation: hope this helps
The variable your solving for should be on the left side, so just flip it
c=a/b
Speed is inversely propportionalthe time.
Constant equal to 5.
Radius = Diameter ÷ 2 = 18 ÷ 2 = 9
Area of circle = πr² = π(9)² = 286 units²
Answer: 9 units²