Answer:
The first option (-6 2/3, -2, 5/11, 7/8)
Step-by-step explanation:
This set of numbers is the only one that does not contain any positive numbers.
 
        
             
        
        
        
Answer:
15
Step-by-step explanation:
You have to calculate the boys name using ratio expression.
3/5 × 25
= 15
 
        
             
        
        
        
The expression (21 + 5i) + (-1 + i) demonstrates the commutative property of addition for (-1 + i) + (21 + 5i)
<h3>What is an 
equation?</h3>
An equation is an expression that shows the relationship between two or more number and variables.
Given the expression:
(-1 + i) + (21 + 5i)
Using the commutative property of addition, we get:
(21 + 5i) + (-1 + i) 
The expression (21 + 5i) + (-1 + i) demonstrates the commutative property of addition for (-1 + i) + (21 + 5i)
Find out more on equation at: brainly.com/question/2972832
#SPJ4
 
        
                    
             
        
        
        
Answer:The answers are: 4 40 56 96.