For the functions shown below, state the degree and the roots of the equations and use a point on each of them to solve for each specific equation in standard form

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?

True or false look at the picture pls : /

Factor the polynomial. b^2 + 4b + 4