In how many ways can a starting team of 5 players be chosen from a team of 14 players?

Can any one me with the answers to these questions asap?

How do you determine whether a relationship represented as as graph is linear or nonlinear

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]