Isabelle is using a square piece of cardboard to make a box without a lid. she cuts 2-inch squares from each corner and folds up the edges. the finished box has a volume of 98 cubic inches. which equation can be used to find the dimensions of the original cardboard piece?

2(w-4)^2

Step-by-step explanation:

the equation, my explanation is i got it off of imagine math.

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.