Creative section a)Define the following types of set with example.
i) Equal and equivalent set ii) overlapping and disjoint set
b) Define universal set and subset with example
c) Define proper and improper subsets with example a
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Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Find the area of the regular hexagon if a side is 20 cm.

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|