Katie is building barn, as shown. she wants the roof height to be between 4 and 6 feet. she must decide the angle measure to use for the pitch, or slant of the roof and. the slant height is y feet. write an inequality katie can use to ensure that her roof will be within the necessary height range

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.