A play train travels around a christ, as tree in a circle. the train measures 6 ft in diameter. what is the distance that the train travels?

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

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.