What is the radius of a circle given by the equation x2 + y2 – 2x + 8y – 47= 0?

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

For how answer my question this will be the last question can you answer in math subject

Needmax 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.