The number of visitors to a park is expected to follow the function v(x) = 6(x − 1), where x is the number of days since opening. On the first day, there will be a ceremony with 26 people in attendance. What is the function that shows total visitors, including the ceremony? (1 point)

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Solve the system of equations. y= 2x y= x^2 - 15

Average acceleration: i have no idea how to do this.