The cheerleading team lines up down the football field to rally the spectators. If there are 12 cheerleaders, which expression gives the number of ways can they line up down the field? 12C1
12C12
12P1
12P12

(the numbers are all in subscript)

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step