Ill give brainliest - please help ASAP

WITH THE WORK THO PLEASE?

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Need 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.