Answer:
75
Step-by-step explanation:
3×(5) squared becomes 3× 25=75
 
        
                    
             
        
        
        
Answer:
2
Step-by-step explanation:
ed
 
        
             
        
        
        
<span>2r ≤ 3(2r - 7)
</span><span>2r ≤ 6r - 21
</span><span>21 ≤ 6r - 2r
</span><span>21 ≤ 4r
</span><span>21/4 ≤ r
r</span>

 21/4
r 

 5.25
 
        
        
        
Answer:
I think B
Step-by-step explanation: