Answer:
A"fishbone" diagram
Step-by-step explanation:
A"fishbone" diagram, may help to determine potential causes of an issue and organise concepts into valuable groups of brain storming. A depiction of the fishbone is a graphical way of looking at causes and effects.
It's a more organised solution than other brain storming tools that cause problems. The issue or effect is shown on the fish's head or mouth.
Answer:

Step-by-step explanation:
Note the number 5 is repeated 4 times, hence we can say that the expression 5⋅5⋅5⋅5 is equivalent to 5 raised to the power of 4 or 
edit : correct spelling
Answer:
47 %
Step-by-step explanation:
from 1.50 to 2.20 there's a 46.67 increase. to the nearest whole number that's 47%
percent increase formula
% increase = 100 x (final - initial) / absolute value of initial