In cylindrical coordinates, we take



so that
.
We have

and the integral is

Answer:
don't you have a calculator? just use that
Answer:
Step-by-step explanation:to find the proportionlity it has to go through the origin (0,0) and has to be a straight line on a graph but, in a model label your measurements as x1 ,y1 ,x2, y2 because y2-y1/x2-x1 should give u a answer then do y/x
Answer:
h=-32 and k=-24
Step-by-step explanation:

For infinitely many solutions, lines must be same;
Not enough info to answer the question it should have 2 trapezoids to compare if your talking about transformations