Answer:
npr= n! /(n-r) !
nCr= =(n r) = n! /r!(n-r)1
Step-by-step explanation:
4(73)+3
273+3
276
Because you have to subsititue 73 for x. So you have to multiply 73 by 4 then what you get out of that you have to add it by 3.
Answer:
Please refrain from posting duplicate questions.
Step-by-step explanation:
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Answer: 12x+15y
Step-by-step explanation:
