Assuming a=.05 what would be the critical value for the z-statiatic

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.