Answer:
<h3>There are
ways to answer.</h3>
Step-by-step explanation:
We know that the survey has 8 items, that means we can use the factorial number, because it's a simple permutation.
Using a factorial we have
where 
, which is the total number of items.
Therefore, there are 40,320 ways to answer the survey, or 8! ways.
Answer:
No, it is not
Step-by-step explanation:
Here, we want to check if the lenghts given is that of a right angle triangle
For a right angle triangle, the square of the hypotenuse is equal to the sum of the squares of the two other sides
The hypotenuse represents the longest side
So 27^2 = 14^2 + 23^2
The difference between these is 4, and as such the triangle is not a right angled
Answer:
See below
Step-by-step explanation:
You could leave 47:3 as the improper fraction 
or the mixed number 
.
Answer:
15
Step-by-step explanation:
C: 60 children because 60 cannont go into 9 which is the amount of children in the first ratio
