How do i solve x^2 - 8x + 16 = 25 using perfect factoring patterns?

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?

Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z