Tyler throws a water balloon into the air from the top of a building, and it lands on the ground. the graph below models the height of the water balloon throughout its flight. select the most appropriate unit to measure the amount of time that the water balloon is in the air. milliseconds minutes hours seconds

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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Someone answer asap for ! 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.