The square root of 640 is 25.29
x-2=7
apply additon property of equality
x-2+2=7+2
x=9
Answer:
-9<x≤2
Step-by-step explanation:
The domain is the x values
If we look at the line, we see a closed circle when x=2, so x is less than or equal to 2
The other circle is open and is at -9, so x is greater than -9
-9<x≤2
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