Ms. Reynold's sprinkler system has 4 stations that water all parts of her front and back lawn. Each station runs for an equal amount of time. If it takes 39 minutes for the first 3 stations to water, how long does it
take to water all parts of her lawn?
It will take
minutes for Ms. Reynold to water her lawn.

Now 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.

Do, h = (7, 9) (14, 18) the scale factor is

What percent of 18 is 24? and plz explain thx.