Which expression correctly represents “twice the sum of four and a number”? 2 (4 + n)
2 (4 n)
2 (4) + n
2 + (4 n)​

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

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?

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?