Answer:
Answer is b or 10.
Step-by-step explanation:
The reason for this is that you will just plug in all the answers in x and the answer has to match 15.
So...
2(10) - 5 = 15
15 = 15
This is true so the answer is 10.
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mean = sum/n
mean = (5 + 7 + 7 + 9 + 12 + 16 + 21)/7
mean = 77/7
mean = 11
F(x) = -x+2
F(x-4) = ?
-(x+4)+2 = -x-4+2 = -x-2.
Hope this helps!
Quantitive since it can be counted
I mean probably of getting head is a half if that's what u mean but what is a,b,c,d
