Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
Have you tried highlighting, then touching 'More'...? the option to Report might be there, still.
I think that
(1) means simply, use the page #.
(2) just the affected text
(3) I think that including just the affected text should beeobvious enough - for instance, for that line, just including 'beeobvious' should be enough.
(4) you most likely won't hear back, from all that I know and that I've heard.
In fact it is possible that the lack of response on these items means, simply, that either "they just don't care", or perhaps, the errors you note and report, somehow crept in individually in transmission errors to your copy.
(In which case, re-downloading the e-book, might possibly eliminate the errors, if you did it with a fast, not-overly-used-at-the-time, efficiently noise-free internet connection, or at an odd hour of the night.)