Can you tell me the answer of this question i am confused. Please ​

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online