Answer:
A pen you use it to write.
Megan hiked 2.4 miles each hour.
Divide the total number of miles hiked (15.12) by the total hours (6.3).
15.12/6.3 = 2.4
A. What type of information you are looking for. The rest can be answered when doing the internet search.
The appositive phrase is not Maya Lin, like the comment above me stated, but it is B) Chinese-American.
An appositive phrase is usually separated from the rest of the sentence by commas, and it describes the subject, which here is Maya Lin.