Answer:
57
Step-by-step explanation:
I prefer the equation in this format

substitute -4 for m and 6 for n

square the 6 then multiply by 2

solve inside the absolute value then multiply by 3


divide by 4

The correct answer is a =9.5
The range is from 18 to 2 (greatest to least).
2 < x < 18
Answer:
let y = 0 and solve for the other variable, because any point on x-axis has y-coordinate = 0