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College algebra problem confirmation on these answers,,? Three brothers share 2 sandwiches equally. How much of a sandwich does each brother get? Please give an example of the AC method of factoring (make one up a problem) (PLEASE SHOW YOUR WORK)? The area of an 10-cm-wide rectangle is 220 cm^2 what would be the length? What is the ionic equation & the net ionic equation for the above reaction? CuSO4 x 5H2O + Fe -> FeSO4 + Cu + 5H2O?