Just need help with 3 multiple choice questions-- Questions are inside

Question

anonymous · Answer

Just need the last three questions, Don't mind the one at the top.

directrix · Answer

Where was the first question worked? I am thinking there may be a figure already drawn somewhere on OpenStudy.

anonymous · Answer

Here is a screenshot of the first problem. Someone worked it out.

directrix · Answer

I cranked out the first problem and agree with that answer. 

I was hoping for a diagram. 

I'll have to draw it myself, it seems.

anonymous · Answer

directrix · Answer

Here's the angle of depression from the top of the taller building to the top of the shorter building.

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