What's the 30th term of this pattern: 125.4 - 3n?​

What is the vertex form of f(x) = x2 + 6x + 3

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.

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid