4. a cash register contains $10 bills and $20 bills with a total value of $340. if there are 23 bills total, then how many of each does the register contain?

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?

Which expression is equivalent to the expression shown?

What term makes it inconsistent y=2x - 4 ?