Set g is the set of positive integers divisible by 4 and set f is the set of perfect squares list the 5 elements of set h which contains numbers in g that are also elements of f

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Ahummingbird lives in a nest that is 15 feet high in a tree.the hummingbird flies 17 feet to get from its nest to a flower on the ground.how far is the flower from the base of the tree?