Triangle ABC has the angle measures shown. mLA=(2x)
mLB=(5x)
mLC=(11x)

Which statement is true about the angles?
mLA=20
mLB=60
LA and LB are complementary
mLA+mLC=120

Please step by step explanation

What is an alternate exterior angle

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.

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?