Re-posting this because nobody noticed. Please somebody help me with this. Its my first time on

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

How do i do this activity, is appreciated

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250