The height, h meters, of a falling object is related to the time, t seconds, the object has been falling by the formula h= -4.9t2 + d where d meters is the initial height of the object above the ground. The Bankers Hall building in Calgary is 196m tall.

Express the time an object takes to reach the ground from this height as an exact number of seconds.

(PLEASE HELP DUE TMW)

What is the area of the trapezoid shown ?

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap

Out of five men and five women, we form a committee consisting of four different people. assuming that each committee of size four is equally likely, find the probabilities of the following events: 1. the committee consists of two men and two women 2. the committee has more women than men. 3. the committee has at least one man. for the remainder of the problem assume that alice and bob are among the ten people being considered. 4. both alice and bob are members of the committee.