Read and use the dictionary entry to answer the question.

compact
[kuhm-pakt]
adjective
1. joined or packed together; closely and firmly united; dense; solid; compact soil
2. arranged within a relatively small space; a compact kitchen

[kuhm-pakt]
verb
1. to join or pack closely together; consolidate
2. to make firm or stable

[kom-pakt]
noun
1. a small case containing a mirror, face powder and a puff
2. a formal agreement between two or more parties; an economic compact between France and Germany

Which sentence correctly uses the word compact as an adjective?

Mrs. Stack tightly compacts the brown sugar into a measuring cup.
The sleeping bag was compacted into a tight ball by rolling it.
Tatum keeps her room very tidy because it is quite small and compact.
We are studying the Mayflower Compact in American history.