Please help I am begging you extra points and BRAINLIEST You don’t have to show the work just answers! If you do this it will make my whole life please help

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.

Describe what moves you could use to create the transformation of the original image shown at right

What are the first 4 terms in the multiplication pattern given by the formula 2×4n