7 test prep assignment I will need help with If you know differential equations

7 test prep assignment I will need help with If you know differential equations it should not take a long time . here what you should know. I wont know the questions until I start and I believe there is a 2 hour time limit.
1. Separable Differential Equations
2. Exact Differential Equations
3. First Order Linear Differential Equations
4. Exact(able) Differential Equations
5. Differential Equations involving Homogeneous Function
6. Bernoulli Differential Equations
7. First Order Differential Equations with Linear Coefficients
8. Homogeneous Linear DE (Part 1)
9. Homogeneous Linear DE (Part 2)
10. Non-homogeneous Linear DE, Method of Undetermined Coefficients (Part 1)
11. Non-homogeneous Linear DE, Method of Undetermined Coefficients (Part 2)
12. Non-homogeneous Linear DE, Method of Variation of Parameters
13. Laplace Transform
14. Inverse Laplace Transform
15. Solving IVP with the use of Laplace Transform
16. Solving System of DE with the use of Laplace Transform
17. Cauchy-Euler Differential Equations
18. Infinite Series Solution of a Linear DE (about an Ordinary Point)
19. Infinite Series Solution of a DE about a Regular Singular Point
20. Infinite Series Solution of a Differential Equation