Can Someone Help Me. ?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Which graph represents the given linear function 4x+2y=3

On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?