Abox contains 29 widgets, 4 of which are defective. if 4 are sold at random, find the probability that (a) all are defective (b) none are defective

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?

2/3(-6y+9x) expand each expression using the distributive property

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?