Final answer:
The absolute change in the monthly cost of cable TV is $9 rounded to the nearest whole number.
Step-by-step explanation:
To find the absolute change in the monthly cost of cable TV, subtract the original cost from the new cost.
The original cost was $55 and the new cost is $64.00.
$64.00 - $55 = $9.00.
The absolute change in the monthly cost of cable TV is $9 rounded to the nearest whole number.