Answer:
The answer is Tangent.
Step-by-step explanation:
Given that Tangent Rule is tanθ = opposite/adjacent. In this question, opposite is 11, adjacent is x and θ is 21°. 
So using this formula, you are able to find the value of x.
 
        
             
        
        
        
        
Answer:m
Step-by-step explanation:
 
        
                    
             
        
        
        
Find the total price
original price × sales tax
33 × 0.04 = 1.32
Add original price & sales tax
33 + 1.32 = 34.32
Hisako will pay $34.32 for her doll. 
        
             
        
        
        
The answer is D because the first number doesn’t reapeat