Explain how you know an infinite geometric series converge or diverges just by lookin at it.

Icould really use some with this question.

What are two numbers that have a sum of 15

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: