a selection of 3 pad papers 7 notebooks 1 hanging folder cost a total of p329.a selection of 4 pad papers,10 notebooks, and 1 hanging folder cost a total of P441.what is the cost of 1 pad paper,1notebook, and 1 hanging folder?

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

Three times the sum of a number and seven is negative thirty-six. what is the number?

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.