Bis the midpoint of ac d is the midpoint of ce and ae =21 what is bd

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?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Give all possible names for the line shown. calculation tip: lines can be written with either point first.