Answer:
The answer for first one is,
a³
Answer for Second one is, 
n.
Answer for 3rd one is. 
-3y
Answer for number four.
x⁹
sorry couldn't answer number 5.
 
        
                    
             
        
        
        
Answer:
The measure of the missing angle is 25 degrees.
 
        
                    
             
        
        
        
Answer:
They studied for a little more than an our. A
Step-by-step explanation:
Because if you multiply 4 on 2/3 you get 8/12, then add 8/12 and 7/12 together to get 15/12 simplified 1  3/12.
 
        
                    
             
        
        
        
Answer:
62.5%
Step-by-step explanation:
Total number of animals in a group= 5+3=8 animals
Number of rays=5
Since we only have 5 rays out of the total 8, to express the number of rays as a percentage of the total animals, we divide the number of rays by the total animals then multiply by 100 to express in percentage as needed in the question
Percentage of rays=
Therefore, the percentage is 62.5%
 
        
             
        
        
        
Answer:

Step-by-step explanation:
3x=6x-2
Subtract '3x' from both sides
0=3x-2
Add '2' to both sides
2=3x
Divide by 3
x=2/3
If you need the answer in decimal form divide 2 by 3