Answer:
540 is the correct answer. Each mark is an increase of 20.
Answer:
I am not very sure is my answer correct or not, sorry
Hope that I can help you
Answer:
13
Step-by-step explanation:
Use the distance formula to determine the distance between two points.
Answer:
Total distance from Mr. West to dolphin 
Step-by-step explanation:
Height of cliff on which Mr. West is standing above the surface of ocean =
Mr. West spot the dolphin under the water at a depth of = 
∴ Total distance from Mr. West to dolphin=
Adding mixed numbers

Adding whole numbers first.

Adding fractions by taking LCD.
