(7x^2 - x - 2) - ( -6x^3 + 3)

a. 6x^3 + 7x^2 - x - 5
b. -6x^3 + 7x^2 - x + 1
c. -x^3 - x - 5
d. x^2 - x + 1

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20