Could anyone explain this in a step by step process? Thanks!

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?

Opposite angles in a parrellelogram are

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.