in 2008 Summer Olympics the united states won 11 more medals in swimming than Australia, The United States won a total of 31 medals Find the number of medal won by Australia

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest

If the average of x,y and z is 15 what is their sum