Answer:
The empty set is defined as the complement of the universal set. That means where Universal set consists of a set of all elements.
The empty set is defined as the complement of the universal set. That means where Universal set consists of a set of all elements, the empty set contains no elements of the subsets. The empty set is also called a Null set and is denoted by '{}'.
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quadrilateral
Step-by-step explanation:
4 hours to pay the same amount
and aif you want a 3 hours work you should get carpenter A
carpenter A for 3 hours:
carpenter B for 3 hours:
you fill it 3 times
1/4 * 3 = 3/4
