Noah and Ava purchase two tickets to watch the Clemson Tigers play the South Carolina Gamecocks in the annual rivalry football game. Tickets cost $165each, water bottles cost $4each, and hotdogs cost $6each. Use an algebraic expression to describe how much they spend based on the number of tickets, water bottles, and hotdogs they buy. Underline the coefficient(s), circle the constant(s), and draw a box around the variable(s).

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.

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

Plz ! define the type of sequence below. -2,0,2,4,6 a. both arithmetic and geometric b. arithmetic c. neither arithmetic nor geometric d. geometric