Me with this. a rectangular field is
65
meters wide and
105
meters long.
give the length and width of another rectangular field that has the same perimeter but a smaller area.

How do you solve a question like this?

What is the slope of the line shown below?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min