Johnny is picking marbles out of a bag. The results are recorded below. Red 24
Blue 16
Yellow 10
Green 22
Black 8
What is the experimental probability of picking a blue marble?
A. 20%
B. 80%
C. 16%
D. 2%

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

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.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab