Giraffes fight by swinging their necks like a heavy whip. Is this an example of a metaphor or a simile, and how do you know?

This is an example of a simile because it uses a direct comparison with the word "like."

Describe in detail one effect of the mis-en-scene in the film Die Hard.

When Harris gifts Holly the watch at the beginning of the film, it is presented as an obnoxious and innocuous moment. However, the watch becomes pivotal at the end, because Gruber hangs from it and McClane has to unclasp it to release Holly from his grip. The watch transcended its role as a character marker for Harris and became a symbol for Holly's new corporate life from which McClane has to save her.

Daniel has $100 to spend on apples, but he gives away $20 to charity. Daniel ends up buying 40 apples. How much did each apple cost?

100 - 20 = 40x 80 = 40x x=2 Each apple costs $2.