Irrational numbers can not be precisely represented in decimal form because they are non-terminating, non-repeating decimals. Also they cannot be written as a fraction as well.
These triangles are congruent because of SAS so therefore 3x-5 =2x+1 and x=6
Answer:

Step-by-step explanation:
Given

Required
The sample mean
This is calculated using:

So, we have:



Answer:
A
Step-by-step explanation:
5.5x = 17.6
x = 3.2
Hsppy to help:)
20 dollars plus 5% adds a 1 dollar to get 21 dollars then 15% adds 3.15$ to get 24.15&