Kieran had some nails. He used of them to make a cupboard and of the remaining to make a chair. He had 36 nails left. How many nails did
he have at first?

How do you summarize data in a two-way frequency table?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

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.