much or many

much: uncountable nouns (milk, marmalade, money, time etc.)
many: countable nouns (bottles of milk, jars of marmalade, dollars, minutes etc.)

Examples:
How much money have you got?
How many dollars have you got?

In informal English these questions are often answered with a lot of/lots of. There is no much difference between the two phrases.

\a little or a few

a little: non countable nouns (milk, marmalade, money, time etc.)
a few: countable nouns (bottles of milk, jars of marmalade, dollars, minutes etc.)

Examples:
He has a little money left.
He has a few dollars left.