The number of houses that can be served by a pipe varies directly as the square of the diameter of the pipe. A water pipe that has a 10 centimeter diameter can supply 50 houses. a. how many houses can be served by a water pipe that has a 50 centimeter diameter
b. what size of water pipe is needed for a new subdivision of 1800 houses

Write the following as a base and exponent

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.

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square