Factor x2 + 16x + 64 by using the perfect squares method

Which of the binomials below is a factor of this trinominal? x^2-13+30

Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

With finding limits of multi variable !