Answer:
The answer is 2/5
Step-by-step explanation:
10/15 simplified is 2/5
 
        
                    
             
        
        
        
X+7.5=21.5
Subtract 7.5 from both sides
X=14 which is C 
hope this helps good luck have a nice day
        
                    
             
        
        
        
18 is 60+35=95 180-95= 85 so ?=85°
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Given
 ×
 × 
Cancel 5y² and 10y by 5y and cancel 3 and 9x by 3, leaving
=  ×
 × 
= 
 
        
             
        
        
        
A stem and leaf plot is called a stem and leaf plot because it is a table where each number in a set gets broken up into stems and leaves.
Stem = the first digit, or digits
Leaf = the last digit 
Ex: The stem of 32 would be 3 and the leaf would be 2.