-6/5k=12
5(-6/5k)=5(12)
-6k=60
k=60/-6
so k=-10
Bio? I don't really know what you mean but that's a suffix.
The correct answer is: "to watch two movies"
Explanation:
An Infinitive Phrase<span> is a group of words consisting of an infinitive and the modifier(s) and/or noun phrase(s) that act as the actor(s), direct object(s), or indirect object(s).
</span>
In the given sentence, the infinitive is "to watch," and the direct object (noun phrase) is "two movies."
Hence the infinitive phrase will be "to watch two movies."