Aclassmate said that line ab and line dc are parallel based on the diagram below. explain your classmates error.

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?

The table above shows approximate conversions from gallons to liters. what is the value of x?

Look at attachment. has all info needed. need