How many ways can we list the names Bobby, Billy, Mickey, Sally, Betty, Jimmy, Mary, and Fred?
1 answer:
Answer:
so sorry
Step-by-step explanation:
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Just subsitute 8 for n
1/2(8)^2-1/2(8)
1/2(64)-4
32-4
28
D
19.25 inches I think i.t is
Answer:
B
Step-by-step explanation:
The answer you are looking for is C my friend
