Answer:
101
Step-by-step explanation:
final cups present-(cups added+cups two guest served) 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
<u>The new dimensions will be:</u>
The area is 540
<u>Using area equation we get:</u>
- (10 + x)(22 + x) = 540
 - x² + 32x + 220 = 540
 - x² + 32x = 320
 - x² + 2x*16 + 256 = 320 + 256
 - (x + 16)² = 576
 - x + 16 = √576  (Ignoring the negative root as the length is never negative)
 - x + 16 = 24
 - x = 8
 
<u>The new dimensions are:</u>
- 10 + 8 = 18 ft and 
 - 22 + 8 = 30 ft
 
 
        
             
        
        
        
Answer:
C). 0.39 grams
Step-by-step explanation:
First find how many half-lifes are in 3 hours:
3 hours ÷ 20 minutes = 9 half-lifes
Find the total left:
0.5^9*200 ≈ 0.39
 
        
             
        
        
        
The answer is that it is a statistic