Answer:
the answer is the third one.
Step-by-step explanation:
the number line is closed circle and at least means greater than or equal to so the answer is "C".
Answer:
7
Step-by-step explanation:
Count the units (Squares) from the first point to the second and you will see that it is 7 units away.
Answer:

Step-by-step explanation:
-5+2(10b-2)=31
Expand brackets.
-5+20b-4=31
-9+20b=31
Add 9 on both sides.
20b=40
Divide both sides by 20
b=2
Answer:
no pic , what's the question
Hope this helps.
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