How many ways can the three members of the debating team be arranged on the stage ?

Let the 3 people be A, B and C

They can be arranged as:

ABC

ACB

BAC

BCA

CAB

CBA

There are 6 ways they can be arranged.

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

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