Hi. plz help me and answer this correctly for brainliest and 50+ points

its b  because x+6 never changes

In short words B does because the rule is stable and never changes x+6

every other word choice changes and is not lay a single rule such as B does with its x+6

300pi

step-by-step explanation:

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.