Algebra ii , the question is in the attached. the question has four questions within it.

if you do not know the answer do look it up (i tried and that answer

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

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.

For which scatterplot is the correlation strongest?