Ciarra, who is 5 ft tall, Is standing on the roof of a 66 ft tall building looking at the horizon. She hears barking and looks down to see a small dog across the street sniffing at a fire hydrant. Ciarra estimates that she is about 84 ft from the fire hydrant. Find the angle of depression that Ciarra’s line of sight makes from when she is looking at the horizon to when she looks down at the dog.

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

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)