6) Una escuela tiene un total de 475 estudiantes. Se quiere extraer una muestra de 80. Explica en detalle cómo se obtiene dicha muestra mediante muestreo aleatorio.

Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?