Urgent will make you brainiest

Last year, Maya had 10,000 to invest. She invested some of it in an account that paid 5% simple interest per year, and she invested the rest in an account that paid 10% simple interest per year. After one year, she received a total of 900 in interest. How much did she invest in each account?

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.