A candy store has 10 types of candies available. (a) In how many ways can one select 5 different kinds of candies? (b) I

[answerhappygod]

A candy store has 10 types of candies available.
(a) In how many ways can one select 5 different kinds of
candies?
(b) In how many ways can one grab an M&M, and Skittles,
and a KitKat, and Snickers
in a row?
(c) In how many ways can one candy in a row of four
candies of different types be chosen from the store?
(d) In how many ways can one candy four types of
not-necessarily-different candies in a row?
(e) In how many ways can one select four kinds of
candy they’d like to select, not necessarily
different
from each other?
(f) In how many ways can one select four kinds of
candies they’d like to select, not necessarily
different
from each other, and including at least one M&Ms?
(g) In how many ways can one distribute four M&M and four
Snickers among two shelves? (Note: we’re just counting the number
of candy of each species on each shelf, not their
arrangement.)