Nadia started at 19.26 feet below sea level & then changed her altitude by climbing a total of 5,437.8 feet up from her initial position. what was nadias altitude at the end of her climb?

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.