Note that this just produces three parametric equations:



In the

plane, this is just he parametric equation for an ellipse (as a function of u). The z is simply a linear function.
The surface is then an ellipse extruded along the z-axis. We get a elliptic cylinder.
13.5·18=243
Base* Hight= Answer
<span>feel -
(noun)an intuitive awareness"he has a feel for animals" or "it's easy when you get the feel of it";</span>
3÷?=36
multiply both sides by 3 to figure out what "?" is
36*3=108
3÷108=36
?=108