$3\mathrm{.}8(4)$ Figure E$3\mathrm{.}6$ is a partially completed class diagram of an air transportation system. Multiplicity has been omitted. Add multiplicity to the diagram. Demonstrate how multiplicity decisions depend on your perception of the world.

$3\mathrm{.}9(3)$ Add association names to the unlabeled associations in Figure E$3\mathrm{.}6.$

Figure es$.3$ udject alagram ior a porygon tnat nappens to de a square

Figure E$3\mathrm{.}4$ Object diagram for part of your family tree

$3\mathrm{.}10(3)$ Add association end names to Figure E$3\mathrm{.}6.$ Add only meaningful names that are different from the class names. You should add at least six association end names to the diagram.

$3\mathrm{.}11(2)$ Add the following operations to the class diagram in Figure E$3\mathrm{.}6$: heat, hire, fire, refuel, reserve, clean, de$-$ice, take off, land, repair, cancel, delay. It is permissible to add an operation to more than one class.