1 and 2, because to solve these problems out you need to plug in 0 in for the y and will end up with 10x+0=160 you divide the 10 to both sides and get x=16 so your x intercept is (16,0) and you do the same thing but plug the 0 for the x and get 0+8y=160 divide the 8 by both side and get y=20 so your y intercept will be (0,20)..
