Homework 2 , help jim !

What is the measure of ac? 5 units 13 units 26 units 39 units

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

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?