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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?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)