A pharmacist pit 4.536 ounces of vitamin pills into bottles. She put 0.042 ounce of vitamin pills into each bottle. How many Bottles did the pharmacist use for these vitamin pills

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.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

What is the solution of the systems of equations? y=2/3x+3 x=-2