If an object is dropped from a height of 400 feet, the function h(t) = -16t? + 400 gives the height of
the object after t seconds. When will the object hit
the ground? Round the answer to two decimal
places.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile