Simplify 43-4(2+5)what is this in simplest form

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

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid