Hay 5 niños y 2 niñas en una clase con 7 estudiantes. si la maestra escoge al asar a un grupo de 3,¿cual es la probabilidad que el grupo tenga solo niños ?

Which statement describes the term economics? a. it is the study of using limited resources to fulfill wants and needs. b. it is the study of how governments fulfill the wants and needs of nations. c. it is the study of how people spend their money to fulfill wants and needs.

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

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