


There are two cases:
1.

2.

So the minimum temperature is -6, and the maximum is 18.
Answer:
There is only one number from 21-25
Answer:
Step-by-step explanation:
x=3 and x=-4 are parallel, vertical lines
:::::
x-y = 3, slope = 1
2x-2y = 10, slope = 1
Parallel lines