A square field was enlarged by adding 5 feet to the length and width of the original field

The side length of the original field is 19 feet

Step-by-step explanation:

Let the side of original square be x

Now we are given that A square field was enlarged by adding 5 feet to the length and width of the original field.

So, length of side of enlarged field = x+5

Area of new enlarged field =

We are given that the area of the enlarged field is 576 square feet

So,

Hence The side length of the original field is 19 feet

The demand curve for steel to shift to the right

Explanation:

The question isn't complete. The full question can be found: https://www.chegg.com/homework-help/questions-and-answers/3-plastic-steel-substitutes-production-body-panels-certain-automobiles-price-plastic-incre-q31436687

Substitutes goods are goods that can be used in place of one another. If the price of plastic increases, consumers shift to steel, its demand increases and the supply curve shifts to the right.

I hope my answer helps you