For which equation does it make the most sense to solve by completing the square?

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

Which expression is the factorization of x^2+10+21