Please help me on questions 19-21 using this diagram attached and no links
and only 19-21

Have a good day!!

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

Which table represents a linear function? i'll give brainliest to first answer ^'^

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume