yes, I'm pretty shure they do
This polynomial has only 3 terms, so it is a trinomial. <em>Hope it helps!</em>
The answers, that you are seeking for my friend, are a, b, and d
-- 100% of the original number is ALL of it.
-- If it's increased by that amount, it becomes DOUBLE
(twice as much as) what it was originally.
First lets remove the initial fee

150 is how much she is charging you per hour.
If each hour is 55, lets divide 150 by 55.

She charged you for 2.7 hours (almost 3) of service