Three that are equivalent are 12:9 8:6 28:21
        
             
        
        
        
Answer:
t = 1.94 seconds
Step-by-step explanation:
we have to solve the following polynomial equation:
-16t² + 60 = 0
16t² = 60
t² = 60/16 = 3.75
t = √3.75 = 1.936491673 seconds
the equation also has another possible answer = -1.936491673 seconds, but since time cannot be negative, we have to dismiss that option
 
        
             
        
        
        
Answer: The volume is 120  .
.
Step-by-step explanation:
-The volume formula for a triangular prism is:
(Height × Base × Length) /2
-So, you put the height, base, and length:
(4 × 6 × 10)
-Then, you solve:
(4 × 6 × 10)
(24 × 10)
240
-Divide 240 by 2:
240 ÷ 2
120
Therefore, the volume of a Triangular Prism is  .
.
 
        
             
        
        
        
Answer:
25/2
Step-by-step explanation:
D = 5, E = 10 and F = 4,
 D• E/F
5 * 10/4
Multiply  and Divide from left to right
50/4
25/2
 
        
             
        
        
        
Answer:
D. 
Step-by-step explanation:

Simply subtract the two functions from each other and simplify to get the result.