The rate of change between 1990 and 1999 is 15.22
Step-by-step explanation:
The rate of change in this case is given by change in quantity divided by change in time
So,

Hence,
The rate of change between 1990 and 1999 is 15.22
Keywords: Rate of change, median
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5 I think ................................................
Answer:
5
Step-by-step explanation:
Scale factor is just the amount every side is multiplied by.
7*5=35
1)18
2)48
3)56
4)79
5)3
Sorry if I got some wrong I did these in my head