Yes dams are made wider at the bottom because the pressure of the water pressure is greater there
Answer:


Explanation:
Given
--- Ken's share
Required
The fraction each got
Since they both shared a cake, we have:

Substitute: 

Factorize


Divide both sides by 3

Recall that: 


Answer:
YES
Explanation:
An echo may be defined as a sound which is repeated because of the sound waves that are produced are reflected back after striking a surface. Sound waves can smoothly bounce off the hard objects in the same manner as a rubber ball bounces back the ground.
When a sound wave strikes a hard surface, the sound waves gets reflected back and bounces back to the observer and produces an echo. If the sound waves strikes a soft surface it absorbs the sound.
Although the direction of a sound changes but the echo sounds in the same way as the original sound.
Inches, feet, yards, meters