If you were to move use the substitution method to solve the following system choose the new equation after the expression equivalent to ask from the second equation is subject to dig into the first equation. 2x-3y=-29 x+4y=13 a) 2(4y+13)-3y=-29 b) 2(-4y+13)-3y=-29 c) 2x-3(4y+13)=-29 d) 2x-3(-4y+13)=-29

Anut store normally sells cashews for? $4.00 per pound and peanuts for? $1.50 per pound. but at the end of the month the peanuts had not sold? well, so, in order to sell 40 pounds of? peanuts, the manager decided to mix the 40 pounds of peanuts with some cashews and sell the mixture for $2.00 per pound. how many pounds of cashews should be mixed with the peanuts to ensure no change in the? profit?