Answer:
(a) 720 ways
(b) 120 ways
(c) 24 ways
Step-by-step explanation:
Given

--- number of letters
Solving (a): Number of arrangements.
We have:

So, the number of arrangements is calculated as:

This gives:

This gives:


Solving (b): DA as a unit
DA as a unit implies that, we have:
[DA] N C E R
So, we have:

So, the number of arrangements is calculated as:

This gives:

This gives:


Solving (c): NCE as a unit
NCE as a unit implies that, we have:
D A [NCE] R
So, we have:

So, the number of arrangements is calculated as:

This gives:

This gives:


Answer:
Options A, C and D are correct ones.
Step-by-step explanation:
Options A, C and D are correct.
Answer:
(x-1)(x-2)(x-3)
Step-by-step explanation:
hy vọng nó giúp
Answer:
The Svensons' assets increased by $1,800.
Step-by-step explanation:
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