1. The figure below shows two circles. The bigger circle has a radius of 7 cm and the smaller circle has a radius of 4 cm. What is the area of the shaded region to the nearest tenth?

Match each function with its rate of growth or decay

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.

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer