The formula of a midpoint of AB:

We have:
G(b; 0); F(3b; 2b)
substitute:

Answer: (2b, b)
She will have 96.8 dollars in the saving account so she earned 16.8 dollars in interest
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Answer:
12 units
Step-by-step explanation:
x is to 16 as 9 is to x
x/16 = 9/x cross multiply
x^2 = 144
x =12
Answer:
36 degrees for each angle.
Step-by-step explanation:
If you divide 180 by 5 (for each point in the star) you get 36 degrees.