11 pt. = 176 oz.
(Double-check if this doesn't sound correct)
35+1m
M= number of movies he ends up buying.
(C)
Step-by-step explanation:
The volume of the conical pile is given by

Taking the derivative of V with respect to time, we get


Since r is always equal to h, we can set

so that our expression for dV/dt becomes


Solving for dh/dt, we get



Answer:

Step-by-step explanation:
First, find the magnitude of the vector:

Then, divide each component of the vector by the magnitude to get the unit vector and rationalise:
