The half of 62 = 62/2 
= 31 
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Answer:
Step-by-step explanation:
AC² = AD² + DB ²
25 = AD² + 9
AD²= 25 - 9
AD² = 16
AD = 4
Area = 4*3 /2
= 6cm
 
        
             
        
        
        
Answer:
Step-by-step explanation:
137,745 mm
Becouse the diamter of the Half dollar is 2 double Than a raggio becoise u must moltiplicate it for Hal of the moneu u have... 4.5 x 30.61 
 
        
             
        
        
        
Answer:
x-9
Step-by-step explanation:
"Less than" switches the way of the expression.
If the "less than" was not there it would have been: 
9-x
"Less" means subtract so you would subtract x from 9.
Hope this helped!