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To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?