29 birds were sitting in a tree some more fly up to the tree then there were 42 birds in the tree how many more flew up to the tree

Fast phone couldn’t copy and paste so i decided to right it down

Yo need asap pls ! markin da brainiest too !

Can someone plz me understand how to do these. plz, show work.in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]