The three most important factors to consider when determining an audience's disposition toward a speaker's topic are the audience's and

Interest, knowledge and attitude.

Explanation:

The three most important factors to consider when determining an audience's disposition toward a speaker's topic are the audience's interest, knowledge, and attitude. In the first place, it is important to know if the audience will like the topic. Will they be interested in the topic? Secondly, it is important to be aware of how much the audience knows about the topic and what their attitude be to it.

the rebels’ chances of victory at lexington & concord were fairly slim, given the fact that most of them very untrained and they were up against the world's greatest military force.  

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds