Answer:
B
Step-by-step explanation:
3x=15 
Divide both sides by 3 to isolate the x variable. 
x=15/3=5
 
        
                    
             
        
        
        
The answer is b) 70 words per minute. If you divide 245 by 3.5, you get 70. So, the answer is 70 words per minute.
        
                    
             
        
        
        
Answer:
65
Step-by-step explanation:
180-115=65 bc all the lines are parallel.
 
        
                    
             
        
        
        
Answer:
b)480 cm^2
Step-by-step explanation:
 perimeter=(16+12+20) cm
 =48 cm
lateral surface area= perimeter × height
 =48×10 =480 cm^2