Make a conjecture for the relationship of a and c if ab =bc

Carter drank 15.75 gallons of water in 4 weeks. he drank the same amount of water each day.a. estimate how many gallons he drank in one day.b. estimate how many gallons he drank in one week.c. about how many days altogether will it take him to drink 20 gallons?

Do,h = (7, 9) (14, 18) the scale factor is

What is the difference between the equations of a vertical and a horizontal line?