Answer:
The rate of decrease is: 
Step-by-step explanation:
Given

---- We used minus because the rate is decreasing
Required
Rate of decrease when: 
The volume of the cube is:

Differentiate

Make dV the subject

Divide both sides by dt

Given that:
and 



<em>Hence, the rate of decrease is: 43.2mm^3/min</em>
The right answer is 4 hoped i helped
Answer:
if the equation is f(x)=ax^2+bx+c
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
3 times 4 is 12