Pizza costs 1.50 per slice. use a table and an equation to represent the relationship between the number of slices of pizza bought and total cost

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

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.