he tables show two ways to pay off $500 in credit card debt. Which is the best option for someone who wants to improve his or her credit and pay less interest on the debt? $15 a month because it will let the person keep more spending money $100 a month because it will free up credit to buy other things $15 a month because it will save money in the long run $100 a month because it will reduce the amount of debt owed

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.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Jan accidently ran 7 minutes longer than he was supposed to. write an expression for the total amount of time jan ran if she was supposed to run m minutes