The total weight of 5 bars of chocolate and a bag of sugar is 3.4 lb. if the weight of the bag of sugar is 1.1 lb, find the weight of each bar of chocolate.

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Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.