If it was one year it would be 2200 and you just keep adding 200 for each year.
Let
= -9,
= -12 and so on.
-15 = -9 + (-6)
-15 = -9 + 2(-3)
Let -3 be the common difference, or <em>d</em>.
= -9 + n(-3)
= -9 - 3n
Answer:
D.
Step-by-step explanation:

Answer:
Actually, your correct answer is C. just took the test :)
Answer:
What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table?
A B
Group 1 15 45
Group 2 20 25
Drag and drop the values into the boxes to show the relative frequencies.
A B
Group 1
Group 2
Step-by-step explanation: