The temperture in the rink must stay below 50 degrees fahrenheit.. this morning the temperature was 71 degrees fahrenheit. the ice rink runs a cooling device, that can decrease the temperature by 3.5 degrees every hour. how many hours will it take for the temperature to fall below 50 degrees ?

Find the difference (8ab+a+2) - (3ab+6)

Cor d? ? 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.

Identify the number as a rational or irrational.explain. 127