remember, you save dkk 180 by registering for all 3 test runs simultaneously!

How would the previous sentence be correctly capitalized?
Answer: Remember, you save DKK 180 by registering for all 3 test runs simultaneously!
this describes the similarity between the spiny and bulging flower head with the animal hedgehog.

How would the previous sentence be correctly capitalized?
Answer: This describes the similarity between the spiny and bulging flower head with the animal hedgehog.
there are 4 single sofa-beds in the living room.

How would the previous sentence be correctly capitalized?
Answer: There are 4 single sofa-beds in the living room.
continue like this until all 45 rounds have been worked (i.e. there will be 1 more tr-group between each corner for every round).

How would the previous sentence be correctly capitalized?
Answer: Continue like this until all 45 rounds have been worked (i.e. there will be 1 more tr-group between each corner for every round).