Can someone help me with these two one step equations? I will give brilliant

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)