Answer:

Step-by-step explanation:
This equation can simply be solved by adding 15 to both sides.
To graph, draw a closed point at the center of the line and darken the area to the right of it.
Answer:
i believe its 12.55
Step-by-step explanation:
if you add both number, 12.90 and 12.20, then divide by 2.
you'll will gain the same result
The answer is 225
15•15=225
Step-by-step explanation:
3q - 2 - q = -18
3q - q = -18 + 2
2q = -16
q = (-16)/2
q = -8 → Proved