hi, my name is sexylen1 and i am 18 years.

How would the previous sentence be correctly capitalized?
Answer: Hi, my name is sexylen1 and I am 18 years.
arrange the pieces correctly to figure out the image. to swap a pieces position, click on the piece, and then the neighboring one.

How would the previous sentence be correctly capitalized?
Answer: Arrange the pieces correctly to figure out the image. To swap a pieces position, click on the piece, and then the neighboring one.
it is filling and has lots of usages.

How would the previous sentence be correctly capitalized?
Answer: It is filling and has lots of usages.
all the rooms to the front of the hotel have either a balcony (3 square metres) or a terrace 18 square metre terrace nb there are only 5 of these rooms and they are located on the first floor only).

How would the previous sentence be correctly capitalized?
Answer: All the rooms to the front of the hotel have either a balcony (3 square metres) or a terrace 18 square metre terrace NB there are only 5 of these rooms and they are located on the first floor only).