Find the component form and the magnitude of the vector v. Exact number, no deciment Please help I try 7 times but it still wrong

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?

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?