Answer:
D
Step-by-step explanation:
In an arithmetic sequence, the order must be least to greatest and there must be a consecutive sequence in addition, not any other operation. A is wrong because it is in greatest to least. B is wrong because 0 is the least so all 0's should be at the front instead. C is wrong because each following value is x2.
The answer for that equation would be 2-5x and 3x +4
If you're trying to write out an equation for it, it should look like this y=$3.50x+$9
If they live at the same house and go to the same school then both, but if different house and school then with this info its impossible to know
