The height, in meters ,of a projectile can be modeled by the function f(t)=-4.9t^2+19.6t+50, where t is the number of seconds since the object was launched. how long does it take to reach max height after it launches?​

In the geometric progression –3, 12, −48… what term is 3,072?

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?

Of the 27 players trying out for the school basketball team, 8 are more than 6 feet tall and 7 have good aim. what is the probability that the coach would randomly pick a player over 6 feet tall or a player with a good aim? assume that no players over 6 feet tall have good aim. a. b. c. d.