HELP PL

How can you simplify rational expressions containing multiple variables?

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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