meet with somebody vs. meet somebody

English Language Tests, Intermediate level

ESL/EFL Test #223 [color=blue]“Confusing Words test (6)”, question 4

Rebecca is very nervous because later this afternoon she has to with the executive vice-president of the firm.

(a) might
(b) meet
(c) meat
(d) mitt

English Language Tests, Intermediate level

ESL/EFL Test #223 [color=blue]“Confusing Words test (6)”, answer 4

Rebecca is very nervous because later this afternoon she has to meet with the executive vice-president of the firm.

Correct answer: (b) meet

Your answer was: [color=green]correct
[size=200]_________________________[/size]

I thought that ‘‘to meet somebody’’ is correct, but in the sentence is ‘‘to meet with somebody’’?
Are they both correct and interchangeable?
Thanks

Both are correct.
‘meet with’ has a sense of a joint meeting and discussion, rather than simply a meeting/introduction.