Answer:

Step-by-step explanation:
Power (denoted by P) can be defined as a function of work (denoted by W) and time (denoted by t) using this formula:

Unit of Work = 
Unit for Time = s
Therefore, the Unit of Power


An appropriate unit for power is: 
The type of graph I would use for a set of categorical data with 25 people surveyed is bar graph.
<h3>Which types of graphs are good for categorical data?</h3>
The type of graph or chart that is good for showing categorical data are:
- Frequency tables
- Pie charts
- Bar charts
Note that bar graph is one of the the most appropriate graphical form of displays for any categorical variables.
Learn more about bar graph from
brainly.com/question/24741444
Answer:
it should replace how many numbers
Step-by-step explanation:
we need a pick
Area= Length x width
So....
Length= Area divided by width.
Plug in equation
20 divided by 5= L
L= 4
Answer is 4 cm