Thomas makes balloon sculptures at a circus. in 180 minutes, he uses 252 balloons to make 36 identical balloon sculptures.

a. how many minutes does it take to make one balloon sculpture? how many are used in one sculpture?

b. what is thomas's unit rate for balloons per minute?

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?

Maddie's rectangular kitchen has an area of 10 square yards and a length of 3 3/4 yards.how many yards wide is maddie's kitchen?

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