He area enclosed by the curve y2 = x(3 - x) is given by (2 points)

Sorry guys but as you have a small brain

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.