Suppose we want to choose 2 objects, without replacement, from 3 objects pencil, eraser and desk . How many ways can this be done l, if order choices matter? How many ways can this be done if the order of the choices does not matter?

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step-by-step explanation:

l' jhl jje f id bid b e iueb v jhdvb vh ei uf djbduv evb                                                                                                                                   8gfdgsfhjk.,l/ uh   dv eb b                            

it's possible to build a triangle with side lengths of 3, 3, and 9.- true ( b.)