How do I solve? Or what is the answer for this?

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x. (30 points pls )

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?