20 POINTS !! A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t) = 16t^2-45t After how long will it reach its maximum height? Round your answer to the nearest hundredth of a second.

What kind of bond pays interest which is exempt from tax?

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.