Answer:
The elevator stops on the 19th floor.
Step-by-step explanation:
On the 16th floor, goes up 12 floors:
16 + 12 = 28
On the 28th floor, goes down 7 floors:
28 - 7 = 21
On the 21st floor, does up 3 floors:
21 + 3 = 24
On the 24th floor, goes down 5 floors:
24 - 5 = 19
 
        
             
        
        
        
Answer:
The correct answer is option C: (8, 14).
Step-by-step explanation:
The car's displacement in vector form can be found by subtracting the initial points from the final points.    
Initial: (x₁, y₁) = (-3, -5)
Final: (x₂, y₂) = (5, 9)           
For the x-coordinate, we have:   

And for the y-coordinate, we have:

The car's displacement in vector form is:
  
Therefore, the correct answer is option C: (8, 14).
I hope it helps you!                        
 
        
             
        
        
        
Keep the bases of 6 and add exponents: 
Keep the bases of 11 and add exponents: 
So its C.
hope that helps :)
 
        
             
        
        
        
Answer:
C
Step-by-step explanation:
The first term = 1500
2nd term = 900
3rd term = 540
The series is a GP. 
r = 900/1500 = 0.6
The sum of the first 10 term, S₁₀, is as calculated below. 
Sn = a(1-rⁿ)/(1-r)
S₁₀ = 1500(1 - 0.6¹⁰)/(1 - 0.6)
       = 1500 × 0.9939/0.4
        = 3,727.125 m