The strous of Pascal's triangle are shown. David decided to add the numbers in each row. He found the sum of the first row was 1, the sum of the second rows and the sum of the third row was 4
1
2
1
3
1
3
1
1 5 10 10 5 1
Based on the pattern in the triangle, what is the sum of the numbers in the seventh row?

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.

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55