38. HVAC In March 2012, home heating oil sold for an average of $4.28 per gallon in New York State. In March 2016, it sold for an average of $2.41
per gallon. A typical heating oil tank holds 250 gal. How much less did it
cost to fill this tank in 2016 than in 2012?

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?

Venita is sewing new curtains. the table below shows the relationship between the number of stitches in a row and the length ofthe row.sewingnumber of stitches length (cm)51 131532024306what is the relationship between the number of stitches and the length? othe number of stitches istimes the length.o. the number of stitches is 3 times the length.

1. 25pi ft^2 2. 5pi ft^2 3. 10pi ft^2 3. 20pi ft^2