Arandom sample means that: (a)every person has an equal chance of being selected (b) there is no pre-planning in the selection process (c) every person who is encountered is selected (d) researchers decide how many people of certain types they need in a survey

Multiply. write your answer in simplest form. 3/8 x 5/7

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

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