Answer:
10.4
Step-by-step explanation:
Let the number be x
Sum of  x  and -3.2 : x + (-3.2) = x - 3.2
1/4 times the sum of a number and −3.2 = (1/4) * (x - 3.2)

x = 10.4
 
        
             
        
        
        
Answer:
-2.5
Step-by-step explanation:
-0.25x-6-5.5x-8.4=0
-5.75x-14.4=0
-5.75x=14.4
x= -2.5
 
        
             
        
        
        
 Answer:
There are 17,418,240 different ways to choose the teams.
Step-by-step explanation:
Arrangements of n elements:
The number of possible arrangements of n elements is given by:

In how many different ways can the teams be chosen so that the number of employees on each project are as follows: 9, 4, 2?
This is: 
Arrangement of 9 elements, followed by an arrangement of 4 elements followed by an arrangement of 2 elements. So

There are 17,418,240 different ways to choose the teams.
 
        
             
        
        
        
1 out of 6 chances 
Explanation: there’s 6 sides of a cube if you mark them 1-6 there only one side that you can land on that is greater then 5 which is six also if you need it in percent it’s 16.6%
        
             
        
        
        
Answer:it’s .a
Step-by-step explanation: