Answer:
100%-10%=90%
90%=36$ what about 10%=4$
36$+4$=40$
 
        
             
        
        
        
Answer:
D
Step-by-step explanation:
one yard is 3 feet
100x3=300
 
        
                    
             
        
        
        
Answer:
B. $7.04
Step-by-step explanation:
5.28 / 3 = 1.76
1.76 x 4 = 7.04
 
        
             
        
        
        
Again, a^2+b^2=c^2
c=10
b=9
10 squared is 100
9 squared is 81
100-81=19
The square root of 19, rounded to the nearest hundredth, is 4.36