As well: He speaks English as well; Hot and cold as well

[Van Khanh]

Hi,

1. Same meaning or not?

a. He speaks English as well.
b. He also speaks English.
c. He speaks English too.

2. What is the meaning of “as well” in:
a. This is hot and cold as well.
b. You can have this one, but you can’t have that one as well.

Thanks
K

[Yankee]