"sam where do u want to be in five years? " is this grammatically correct? or do i need a comma after sam?

Sam where do u want to be in five years?

This question is grammatically correct.

Even if a comma is placed after the word Sam, it is correct.

Explanation:

This happens totally based on how we pronounce the sentence or depends totally on the throw of the sentence. For example, if we say the sentence without pausing, then the need of a comma is absent. But again if we pause after saying Sam and continue, then the comma needs to be inserted. In both the cases, the question will be grammatically correct.

explanation:

it's important for any number of settings.   but then i'm a retired teacher and my view may be biased.

it certainly will not weigh as a minus when applying to a college, while poor grades always work against you.

other factors are important like what you do to improve the community.  

answer: the essay describes the experience of the english narrator, possibly orwell himself, called upon to shoot an aggressive elephant while working as a police officer in burma.

explanation: