What does 2+2 equal plz answer quick

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

What is the measure of angle afe? 79 81 91 99

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?