Acleaning crew clean 5 offices in 6 hours. how many offices can they clean in 12 hours? someone plz me!

The sum of two numbers is 12 and their difference is 18 what are the two numbers

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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