Answer:

Step-by-step explanation:
Solve like a normal equation by isolating the variable and then dividing by the coefficient.

The range would be -1 to 8
Answer:
um what I do is I go from like if I was doing 12 I would go 1 times 12 and then 2 times 6 and 3 times 4 and then I would stop cause it's repetitive if that makes sense
Answer:
its 7.8
Step-by-step explanation:
A line parallel to x-axis has 0 slope.