Sam wants to put fencing around his whole house. His front yard is 144 square feet and the backyard is 196 square feet. How much feet of fencing will be needed to cover the whole yard?

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.

There is no question, there is just the answer.