Answer:
B.   
Step-by-step explanation:






 
        
             
        
        
        
Answer:
 Hope this helps :) 
Step-by-step explanation:
15
(3^5)÷(3^5)
Simplify 3^5
243÷243
1
(3^5)÷(3^5)
3^5/3^5=3^5-5
3^5-5
3^5-5= 1
1
Formula: x^a/x^b=x^a-b
16
 2^10/2^10
Cancel out 2^10
1
2^10/2^10
2^10/2^10=2^10-10
2^10-10
2^10-10=1
1
Formula: x^a/x^b=x^a-b
17
x^7/x^7x≠0
x≠0
18 
(4x+2y)5÷(4x+2y)^5(4x+2y) ≠ 0
5/(4x+2y)^3 ≠ 0
5 ≠ 0
 ≠ =-y/2
19
No solution 
20
p^4/p^4p ≠ 0
p≠ 0
no solution
 
        
                    
             
        
        
        
Answer:
Fraction, decimal, whole number
Step-by-step explanation:
if it has a line, it's a fraction. If it has a dot, it's a decimal. If it has none of the above, it's a whole number
 
        
             
        
        
        
Answer: A
I'd have to say a because it's the closest answer or best estimate.