PLEASE HELP THIS IS LATE AND I MIGHT GET A ZERO. IF I DO I GET A BAD GRADE AND MY MOM WILL HOMESCHOOL ME

Draw out the fraction then show how you would subtract 5 1/4

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.

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers