Amoving walkway at an airport moves at a pace of 1.75 feet per second. if you stand on the walkway as it moves, how long will it take to transport you 280 feet?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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.