What should be added to 3 times 39 to get 12 times 39 (a) 4×39 (b) 9×12 (c) 9×39 (d) 15 ×39

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 one is the correct answer, and why?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?