Please help me here I don't know the answer but I need to know it quickly

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

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

A(t)=728(1+0.04)^t how much money did aditya originally invest