Describe 58 as tens and ones? (someone asked this before, and the answer given was incorrect but it is archived so i couldn't answer it with the correct answer, so for those looking for the right answer, it isn't 50+8, it is 5 tens and 8 ones, just like 45 would be 4 tens and 5 ones, so on and so forth)

Needmax 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.

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up