For a scene in a movie, a sack of money is dropped from the roof of a 800 ft skyscraper. The height of the sack above the ground in feet is given by h(t) = −16t2 + 800, where t is the time in seconds. How long will it take the sack to reach the ground? Round to the nearest tenth of a second. It will take the sack approximately seconds to reach the ground.

Which of the following statement about pascal's triangle are true?

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

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.