Ricardo's family is on vacation. the first day they drove 348.9 miles. the second day they drove 527.2 miles. the third day they drove 221.7 miles. about how far did ricardo's family drive on their vacation?

What is the slope of the line shown below?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Now 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.