Answer:
The answer is B.(5,10)
Step-by-step explanation:
1. y = 2(5)
y = 10
2.y = -2(5)+20
y = -10+20
y = 10
(x,y,z)=(-4,-2,-5)
I added some images for explanation
The answer is permutation. It is <span>the action of changing the arrangement, especially the linear order, of a set of items.
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Slot method
20 options
3 slots
First slot: 20 options
Second slot: 19 options (one used up for 1st slot)
Third slot: 18 (one less than last)
Multiply them
20 times 19 times 18=6840
Answer is 6840 ways
Your answer should be A!
I hope this helped!
If you have any further questions, please feel free to private message me!
