Answer:
$780.50
Step-by-step explanation:
I will update this if I figure how it's solved as well.
Add all numbers and divide the total by how many numbers there are
Answer:
The greatest common factor of the given expressions is

Step-by-step explanation:
Given that 
can be written as

can be written as

and
can be written as

Comparing the common factors we have
is the greatest common factor of 
Therefore the greatest common factor of the given expressions is

What do you exactly need help with?
Answer:
Probability that first shirt is white and second shirt is gray if first shirt selected is set aside = 
Step-by-step explanation:
Given that
3 white, 2 blue and 5 gray shirts are there.
To find:
Probability that first shirt is white and second shirt is gray if first shirt selected is set aside = ?
Solution:
Here, total number of shirts = 3+2+5 = 10
First of all, let us learn about the formula of an event E:



Now, this shirt is set aside.
So, total number of shirts left are 9 now.

So, the answer is:
Probability that first shirt is white and second shirt is gray if first shirt selected is set aside = 