how do i solve this infinite geometric series? 64/25-16/5+4-5

Which statement about the relative areas of triangle abd and triangle xyz is true

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Do a swot analysis for the business idea you chose in question 2 above. describe at least 2 strengths, 2 weaknesses, 2 opportunities, and 2 threats for that company idea. (1-8 sentences. 4.0 points)