Determine the cost of parking at Tinley park a car for 2 days and West airport parking service​

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

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank