Answer:

Step-by-step explanation:
Since they have the same denominator (the number on the bottom), you can just subtract the numerators (the numbers on the top). So 3-2 is 1. You always leave the denominator as it is, don't subtract it.
Answer:
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Step-by-step explanation:
-3 ? 
-3 ? -3.8
-3 is greater than -3.8
i.e -3 > -3.8
Answer: y=6|x|
Step-by-step explanation:
I attached the graph too!
Answer:
x = 5
Step-by-step explanation:
1. 8 (x + 2) = 56 Distribute the 8
2. 8x + 16 = 56 Subtract 16 from both sides
3. 8x = 40 Divide both sides by 8
4. x = 5