Devaughn is 6 years older than Sydney. The sum of their ages is 56 . What is Sydney's age?

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply