May someone please help me with my AP Calculus Review problems?

\farctan x dx x+3 - dx V8+2x-x 10. 1+x 11. Jx2 +9 12. x-1 -dx 3x VX2 - 2x -dx 2x-5 dx 13. 14. x2 +5 15. x2 +2 x+2 xb (x aco ] nk x na) S Find each definite integral. (*+3 -dx 16. 1X +6x [ tan - de - 1 17, 0 dx 18. -3 x +6x+13