Select the correct answer. Which function is a linear function?
OA. 1-3x = -y
OB. y+ 7 = 5x
OC. x2 +4 = y
OD. 91x2 - y) = 3
O E. y- x2 = 8

What signals you that factoring by grouping is the best method to use when factoring a problem?

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.