Complete the following proof to show that the sum of two rational numbers is a rational number let a b c and d be able to just let x and y be rational numbers

someone x

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

If there are 3.281 feet in 1 meter, how many inches are in one centimeter