The answer is 5 :4
please mark as brainliest thanks'!!!
Answer:
1.
÷
---> 
2.
---> 
3.
---> 
4.
--> 
Step-by-step explanation:
Given that:
1. 

Thus,
÷
=
÷ 
Flip the 2nd function, Q(x), upside down to change the process to multiplication.



2.
= 
Make both expressions as a single fraction by finding, the common denominator, divide the common denominator by each denominator, and then multiply by the numerator. You'd have the following below:





3.
= 





4. 


What is 7x5x4, it is 140 so the volume is 140in^3 its a pretty simple problem