Graph the system of equations. {x−y=64x+y=4

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

Determine the relationship of ab and cd given the following points

3x = 729 solve for x plz . it's urgent. will mark