Line a: 4y-12x+=20
line b: 3y=-x+2
line c: y=3x-1

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?

At saturday nights football game there were 18 less fans than half the fans at friday nights game.there were "x" fans at friday's game.write an expression to represent the number of fans at saturday's game. *** urgent***