Answer:
The size of the sample is 23 scientists.
The answer is 82 because 5+7=12 then 3+4=7 plus the 1 = 82
The answer is 10 because 9x5=45 then you do 45-15=30 then you divide by 3 which is 10.
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The answer is D.
If x = number of boxes sold and y = price of nails box, then it is best represented by the equation y = 62 - x.
Checking:
If y = 20 and x = 42,
20 = 62 - 42
20 = 20
If y = 10 and x = 52.
10 = 62 - 52
10 = 10
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X =
2. -7
7. 15
11. -2
12. 12
13. -1
14. 3
15. 64
16. 5
18. -14
