Lisa adds 3, then subtracts 1 to generate a pattern of even and odd numbers that starts at 4. The pattern of numbers is shown: 4,7,6,9,8,11... ( BER What are the next three numbers in the pattern?

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

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The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?