Please help me factorise these and expand these brackets
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Mathematics, 21.06.2019 15:00
An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?
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Mathematics, 21.06.2019 18:00
10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
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Write the fraction or mixed number and the decimal shown by the model
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How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5
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