A submarine’s descent can be represented as y=-240x, where y is the elevation and x is time in hours. It takes the Submarine 1 hour to descend 1050ft. How long will it take this submarine to make the descent? 1) 8.5 hours
2) 8.75 hours
3) 8.25 hours

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

Ai just took the test

Vhjjkkvvhjj

The second and fourth answer are correct