MATHEMATICS 9 good day my dear students how are you after several weeks of working alone the learners activity sheets or laos and quadratic equation with us to the following tests with the given rubrics below.

Explanations:
Pa help plss

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

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.

Find the average rate of change for the given function drom x=1 to x=2