Someone answer all of these in order, please

Answer:
5. [tex]8r^{2}s[/tex]
6. [tex]10pqr[/tex]
7. [tex]30ab^{3}[/tex]
8. [tex]-4x^{5} y^{2}[/tex]
9. [tex]8m-n[/tex]
10. [tex]3xy+6x+3y[/tex]
11. [tex]19k^{2} +3k[/tex]
12. [tex]4r^{3}-10^{2}[/tex]
13. [tex]8c^{2}-5cd+3d^{2}[/tex]
14. [tex]4a^{2}b^{2}-3ab[/tex]
15. [tex]5m^{3}n^{2}[/tex]
16. [tex]6xy[/tex]
Step-by-step explanation:
i hope this helps :)