Answer:
21 yards
Step-by-step explanation:
3 yards for 1 mum
3*7 yards for 7 mums 
21 yards for 7 mums
I don't know if this is what you mean but here have this
 
        
             
        
        
        
Answer:
Ik this isn't an answer but wanted to say good luck im battling stuff too :(
Step-by-step explanation:
 
        
                    
             
        
        
        
 Answer:
The bill excluding tax is $31.21 and the 20% tip was $6.24.
 
        
                    
             
        
        
        
The estimate for the total number of bees in her hive is  190 bees
<h3>How to find the total estimate of the bees ?</h3>
She catches 90 of the bees on Monday and she puts mark on each bees and return them to her hive.
On Tuesday she catches 120 of the bees. She find out that 20 of the bees has been marked. 
This means only 100 bees have not been marked on Tuesday.
Therefore, the total number of bee in her hives is as follows:
total number = 90 + (120 - 20)
total number = 90 + 100
total number = 190 bees
learn more on estimate here:brainly.com/question/16670022
#SPJ1
 
        
             
        
        
        
Equating the formula  (d is the diameter)

 d^2/4 = 132.7
d^2 = 132.7*4/

d = 

d = 13.0017147331
d= 13cm