Read and answer the following problems carefully. Show your process.

1. A square plywood with an area of 36sq. ft. will cut from a larger piece of square plywood with an area of 25x² sq. ft.. the remaining piece will be cut and rearrange in order to come up with an rectangular piece of plywood. what are dimensions of the rectangular piece of plywood?

2. Tomatoes are planted on a square piece of land with an area of 4x²+28x+49 sq. m.. What are the dimensions of the square piece?

3. The amount of water a rectangular swimming pool can hold is expressed as 8x³+125 cubic meters. Write the possible expressions that can represent its height and the product of its length and width?​