An object is thrown upward from the top of an 80ft tower. the height h of the object after t seconds is represented by the quadratic equation h=-16t^2+64t+80. after how many seconds will the object hit the ground? a)29 seconds b)6.4 seconds c) 5.0 seconds d) 8.0 seconds

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

Which of the following is the graph of y= square root -x-3