Question

-Apply Sets to number and Functions-

Let U be the set of integers from 0 to 10. Find (a) A U B and A ∩ B , (b) A and B, and (c) A x B for the Specified sets A and B
1.) A= {1, 3,5, 7, 9} and B= {3,6,9}
2.) A= {1,2, 3, 4, ,5 ,6 } and B={4, ,5 ,6 ,7 ,8}
3.) A={0,2,4,6,8,10} And B= {1,3,5,7,9}
4.) A= {0,5,10} and B= {1,4,7,10}

Could you explain how you got answers? im not sure how to solve these