Answer:
These are all equivalent to the ratio of 1:2
Step-by-step explanation:
Answer:
A≈351.86 or rounded to the nearest tenth, 351.9.
The value for n is 
<h3>solving for n</h3>
<u>given data</u>
10n^{2} - 12 = -8
making n the subject of the formula
10n^{2} = -8 + 12
10n^{2} = 4
divide through by 10
n^{2} = 4 / 10
finding the square root of both sides
n = square root ( 4 / 10 )

n = 0.632 or 
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Answer:
2x/5 = 6
x 5 x 5
2x = 30
divide by 2 on both sides
x = 15