Contestants in a dance-a-thon rest for the same amount of time every hour. a couple rests for 25 minutes in 5 hours. how long did they rest in 8 hours?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

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.

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !