Find The value of X round to the nearest degree

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Find two consexutive odd integers such that the sum of their square is 650

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]