Answer:
Step-by-step explanation:
y = 1/2x + 3
This is because 4+(-3) is also 4-3. So that equals 1
Area of rectangle is 
Step-by-step explanation:
Given:
Length of rectangle = 2x-9
Width of rectangle = x+5
Required:
Area of rectangle
Formula:

Putting values of length and width:

So, Area of rectangle is 
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The answer to the problem is 299.85 m.
Answer:
6:8 and 9:12
Step-by-step explanation:
As long as you do the same thing to both parts of the ratio, it's the same ratio