Answer:
hypotenuse²=base²x height²
Step-by-step explanation:
It is used to find the third side of a triangle.
Hope it helps :)
 
        
             
        
        
        
Answer:
10
Step-by-step explanation:
20 divided by 4 = 5 and times it from there
 
        
             
        
        
        
Answer:
1.21
Step-by-step explanation:
The cost of the grapes is the price per pound times the number of pounds
cost = 2.42 * .5
cost = 1.21
 
        
             
        
        
        
9 students
30% ends up being .3%, multiply .3% by 30 students which equals 9.