If the mass of a material is 50 grams and the volume of the material is 14 cm^3, what would the density of the material be?answer fast !

The circumference of a circle is 5 pi cm. what is the area of the circle?

Which one ? is the answer and how to find this answer

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