Answer: 16
Step-by-step explanation:
Because the Y is 0 for both, you can simply draw a line graph with one point at 15, and the other at -1. The difference between 15 and -1 is 16. Or ABS(15-(-1))=16
I think the answer is D. but I'm not sure.
Answer:
1
Because once you know the unknown you can plug it into the equation so now its 11-10 which equals 1