Christian goldbach stated that every odd number greater than 7 can be written as the sum of three prime numbers. rewrite each of the following as the sum of three prime numbers: 85, 53 and 169.
85 = 53 = 169 =

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.