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jay

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4th grade math course challenge
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A question on 4th grade math course challenge asked for the conversion for 70/100 cm to millimeters. I typed in 700 mm (because millimeters is 1000 place values and centi only covers 100.) But it s...
Pre algebra rate videos
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Not working and nonexistent videos. A few of the videos covering rates, and multiple rates, as well as the videos showing how to solve *rate problem 2* problems under intro to rates*** Please fix ...