Can someone me with this problem ? ?

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220