6. Priya played piano perfectly.

a. personification
b. alliteration
C. hyperbole

Alliteration

Explanation:

Personification describes an inanimate object that has features of a person e.g. The Dancing Flower

Alliteration is when every, or almost every, word starts in the same letter e.g. Peter Piper Picked a Purple Pickled Pepper

Hyperbole is an exaggeration e.g. "The diver must have jumped from a thousand feet." when in reality, the diver might have only jumped from twenty feet. Give or Take

i think the life is invaluable.

you can also say immeasurable.

ah, shun the horrid gulf! by scylla fly.