In a sequence, the first term is 8 and the common difference is -2. The 18th term of this sequence is
1) – 34
2) - 42
3) - 26
4) 26

30 points if you answer all 3 questions with work!

What’s a definition for a polygon inscribed in a sphere ?

Analyze the diagram. what is the composition of transformations that was applied to map wxyz to w''x''y''z''? the first transformation was a reflection across line m rotation about point a translation down and right translation up and left. the second transformation was a rotation about point a translation up translation down reflection across line m.