It has been estimated that a student’s final grade in a course decreases by 5 points for every 2 days absent from class. if a student misses 4 days, by how many points will the student’s final grade decrease?

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation