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What is the difference between an Algebra 1A (P) Class and 2 Year Algebra 1? Some of my friends got 2 Year Algebra 1 and I got Algebra 1A? Using Uv-vis, where will the elemental S peak occur? How many cups is 2.6 ounces - is it 2 of 1/3 cups? How do you find gross profit from revenue minus expenses? Please help with this and explanation with answer would really help?