Asap! and explain, in advance : )

If 1/2 is half of 1, what is 1/2 of 2,3, and 4?

3(10x-y)-5(x-y^2) need this solved asap

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet