A scientist has 15 barrels of gasoline with 8% ethanol content. How much pure ethanol ( 100% ethanol) needs to be added to the 15 barrels to create a gasoline mixture with 10% ethanol content?

Which of following most accurately describes china today?

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?

34. in 2009, impaired drivers killed 154 a. child passengers of vehicles b. other motorists c. pedestrians d. none of the above