Assuming that he read at the same speed last summer, 2,724 pages.
        
             
        
        
        
If 1 inch= 2.54 centimeters, 12 inches or 1 foot = 30.48 centimeters, so 3.5 feet = 106.68 centimeters
Mark brainliest please 
Hope this helps you
        
             
        
        
        
Answer:
23/54 meters
Step-by-step explanation:
Assuming that the scale model is smaller, then the scale model should be 1/27th of the actual thing. Therefore:
11.5/27 
= 23/54 meters tall
 
        
             
        
        
        
Answer:
A = 143.2
Step-by-step explanation:
A= πr² = π(6.75)² =  × 45.5625 = 143.196 ≈143.2
 × 45.5625 = 143.196 ≈143.2
 
        
             
        
        
        
Answer:1375
Step-by-step explanation:
X= 15 is given
X squared is 15x15 = 225
1600 - 225= 1375