To solve this problem you must apply the proccedure shown below:
1- You have that the laddder makes an angle of
with the ground and the top of the ladder reaches
.
2- Therefore, you have:

Where:

3-You must substitute values and solve for the lenght, as following:

Therefore, the answer is: 
Answer:
<h2>D. 0.389</h2>
Step-by-step explanation:
We need to find the probability of a studend taking a humanities class, given the student is male.
In this case, the total number of outcomes 180, which is the total number of male students. The possible event is 70, which is all male students which take humanities class.
So, the probability is

Therefore, the right answer is D., the probability that a student is taking a humanities class, given the student is male, is 0.389, rounded to the nearest thousandth.
Answer:
a) Sam attended the Manchester Christmas market.
Step-by-step explanation:
All the other sentences include another part:
...but didn't like it.
...and did it very well.
…but wasn't an expert.
why ok whyh whwywwhywhyhwyhwywhwyhwyhw
Answer:
AB= FD
Step-by-step explanation:
I JUST THINK IT
I AM NOT SURE