The price of a table at Best Buy is $150. If the sales tax is 6%, what is the final price of the table including tax?

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.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?