How do I figure out the area of the shaded yellow parts even when it’s not a full rectangle

What is the prime factorization of 195

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

Find the distance between c and d on the number line c=3 and d=11