Show ALL work for credit. Write an equation of a circle given that the center is at (-3.6) and the radius is 4

Bradley completed latex: \frac{3}{5} 3 5 of his homework. what percent of his homework does he still need to complete?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

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