What’s the property name for ( 1 + 2 ) + 3 = 1 + ( 2 + 3 ) (PLEASE, IM OFFERING KIND OF A LOT OF POINTS!! PLSSS, AND IF YOU PUT A WRONG ANSWER THATS NOT A WORD, THEN IM REPORTING U FOR STEALING MY POINTS. thank you. :) )

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 distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Find the ratios of the corresponding sides