Answer:

Step-by-step explanation:
If you would like me to explain let me know in the comments.
Answer: rs 400 and 500
Step-by-step explanation:
Answer:
{x,y} = {1,6} Have a great day
Answer:
The range is 40.
Step-by-step explanation:
Range is just the largest number minus the smallest.
70 - 30 = 40