Help in 2dimensions.

You're not the first person to struggle with solving 2d kinematics (projectile motion) problems.

Here are a few helpful links....

PhysicsClassroom Projectile Motion (also links to problem solving strategies)

Boston University: Motion in 2 dimensions (algebra-based)

Here are two videos showing how to solve 2-d projectile motion problems.
VIDEO #1
VIDEO #2
if you find better ones, please email me!