Can someone answer what y and x is and what points it goes !

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

Find the balance at the end of 4 years if 1000 is deposited at the rate of