Which of the following has a value that is less than zero

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?