Seats for english physics and mathematics in a school are in the ration 5:7:8. there is a proposal to increase these seats by 40%,50% and 75% respectively. what will be the ratio of increased seats

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

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?