16x - 3x = x is the Given,
16 = 4x is the Addition Property of Equality,
and
4 = x is the Division Property of Equality!
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200,000,000 + 40,000,000 + 9,000,000 + 100,000 + 4,000 + 300 + 30
No, she cannot use a ratio of 21 to 6. You can figure this out in a few different ways. First you can simplify down the fraction 18/3, to get 6/1. 6/1 does not equal 21/6, because 21/6 equals 7/2. However, 6/1 it does equal 36/6. You could also noticed that three doubles to make six, yet 18 does not double to make 21
Answer:
The graph in the attached figure
Step-by-step explanation:
we have

The solution of the inequality is the shaded area below the dashed line
The equation of the line is 
The slope of the line is positive 
The y-intercept of the line is the point 
The x-intercept of the line is the point 
so
The graph in the attached figure
12 1/2 i think your welcome