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.

Answer:
x=9
Step-by-step explanation:
2x+12=5x-15
3x=27
x=9
Answer:
The answer is the first one at the tap
Multiply all the numbers on 2