Sally has a job as a sales consultant. Company policy requires that she completes at least 4 conference calls each day, but should spend no more than 4 hours total each day on conference calls. Each conference call is either an update call, which is 30 minutes long, or a kickoff call, which is 1 hour long. Let x represent the number of update calls and y represent the number of kickoff calls Sally completes in a given day. Select four options to create a system of four inequalities that best models this scenario.

What is the greatest common factor of 8 and 36

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Combine like terms to make a simpler expression 3z+z