En una prueba de natación, Mario hizo el recorrido en ¾ de minuto y David en 4/5 de minuto ¿Cuál es la diferencia entre los dos competidores? Marca la operación correcta que se debe hacer: *

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry