-10.6x+7 what is the answer?

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?

Which statement about 6x2 + 7x – 10 is true?

What is the approximate value of the correlation coefficient for the given graph? a. 1 b. 5 c. 3 d. -1