Answer:
1. -7,
2. D, you can also use something called desmos (its a online graphing calculator, not advertising)
Explanation:
Tip for 1 and 2:
Tip for question 1:
I-2I would equal 2, since there is the absolute value signs around it making anything inside ALWAYS a positive, you'll have to remember that.
Tip for question 2:
I plotted this on a graphing calculator, you can also do it on a graph, the points are located in the IV quadrant (or 4)
Hope this helped and good luck!