Standardized scale on average, at night i sleep hours. fewer than 6 hours 6 to 6.9 hours 7 to 7.9 hours 8 to 8.9 hours 9 hours or more

days of the week

step-by-step explanation:

javier earned more money then kyle, so that won't always be a constant term, but the days of the week do not change so that term is always constant.

edit: i meant

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a