Answer: The director can choose first a lead singer and then a stand-in for the lead singer in 132 ways.
Step-by-step explanation:
Given : The total number of singers auditioning for the school musical.= 12
The director wanted choose first a lead singer and then a stand-in for the lead singer.
We use Permutations here because order of selecting the singers matters.
The number of permutations of selecting r things out of n things =
Similarly , the number of ways to select 2 singers in an order from 12 singers
Hence, the director can choose first a lead singer and then a stand-in for the lead singer in 132 ways.
Answer:
D the dalphan travles faster than the sea lino
hope this helps
(p.s please mark me as brainlyest i only need one more branlyest answer to gain a new rank)
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Answer:
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Answer:
1st one is 3 I believe 2nd one is 15 and the last one is 7.5
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