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I'm in 1st-year undergrad engineering. What jobs should I take that'll help me in my career? Lambda = delta*R^2/(L^2+delta*R*L) solve for L? I am really frustrated with these rational expression problems. It hasn't "clicked" yet, how they work exactly:? A compound must have at least one metal atom and one nonmetal atom? Math help/rational expressions. Can someone please explain to me how to work this problem. I am having trouble understanding. Thank you.?