Answer:
B
Step-by-step explanation:
 
        
             
        
        
        
Volume of 1st aquarium = 11 * 13 * 14 = 2002
volume of 2nd aquarium = 21 * 14 * 30 = 8820
if 5 minutes = 2002
1 minute = 2002\5 = 400.4
minutes to fill the 2nd aquarium is 8820/400.4 = 22.028(approximately)
        
                    
             
        
        
        
<span>It is required to find the highest altitude (in meters) .
</span>
For the given <span>quadratic function ⇒⇒ A(t) = −(t − 11)² + 115</span>
From the attached figure which represents the graph of the given function
the maximum will be at point (11,115)
So, <span>
the highest altitude (in meters) = 115 meter</span>
<span>
and it will reach it at t = 11 </span><span>
seconds</span>
 
        
        
        
Answer: The volume is 33 cubic centimeters.
Step-by-step explanation:
First find the volume of the square pyramid on top of the cube. To find the volume of the square pyramid you use the volume  a^2*h/3 a is the side length of the base of the square pyramid and h is the height all divide by 3. 
So we can say that the side length of the base of the square pyramid is 3 because it has the same side length base as the cube. 
V= 3^2 * 2 /3 
V= 9 * 2 /3 
V= 18/3 
v= 6  
So the volume of the square pyramid is 6 so now we need to find the volume of the cube and add them together. 
Volume of the a cube uses the formula s^3 where s is the side length.
V= 3^3 
v= 3*3*3 
v= 27  
The volume of the cube is 27. 
Add 6 and 27 to find the total volume. 
6 +27 = 33 
 
        
             
        
        
        
Answer:
95.03
Step-by-step explanation: Divide 76.5 by 4.5
Now you have 17
Now, multiply 17 by 5.59.
Good job, these students are now successful coronavirus fighters.