The circumference of circle aa is three times the circumference of circle bb. which statement about the areas of the circles is true?

a)the area of circle a is three times the area of circle b.
b)it depends on the value of π.
c)the area of circle a is nine times the area of circle b.
d)it depends on the actual diameters of the circles.

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.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?