Sandra bought 2¾ yards of red fabric and 1¼ of blue. How much cloth did she buy in all?

The variable in a relation who’s value depends on the value of the independent variable is called what?

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?