73,980=70,000+3,000+800+90+0
100=100+00+0
It sucks that points have to be used in order to post questions.
Openstudy - the company that merged into Brainly - was much better.
Anyway, I think that the answer to this question is A. I'm not sure, though.
Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
step 1
In the right triangle ADE
Find the value of h1
See the attached figure
h1=AD

Solve for h1

step 2
In the right triangle ABC
Find the value of h2
See the attached figure
h2=BC

Solve for h2

step 3
Find the height of the neighboring building
we know that
The height of the neighboring building is equal to

substitute the values

Round to the nearest tenth of a foot
