Best way to repipe this with PEX B?

I’m planning to use PTC Sharkbite could not find a Y connector, so it’s a bit tricky.

Would making a U turn with (3) 90 degree connectors the best solution here for the left pipe or could I get by with bending it a little with less couplers?

This is the cold water faucet. Should I keep the existing copper pipe that’s connected to the valve or go with PEX?

I’m planning to use PTC Sharkbite could not find a Y connector, so it’s a bit tricky.

Would making a U turn with (3) 90 degree connectors the best solution here for the left pipe or could I get by with bending it a little with less couplers?

This is the cold water faucet. Should I keep the existing copper pipe that’s connected to the valve or go with PEX?