A) (1+ 3y)2; (5x + y)2; (2x + 3)2 b) 2
1
x
2
 
  
  ;
2
1 1
x y
3 2
 
  
 
c) (5x + y) (5x - y); x y x y 2 2 2 2
5 5
  
    
   ; (a2 + 3)(3 – a2)

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