Can you guys help me on question six?! :)

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

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.