Determine if the two triangles are congruent.

yes, by AAS

Step-by-step explanation:

Vertical angles are congruent, therefore you have another angle given to you. Along with the given information, you can prove that the triangles are congruent from AAS

the answer is b.)

< 1=< 2

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.