Six years ago, Robert’s age was . A = Robert’s present age Which expression models this situation? A) 6A B) A + 6 C) A – 6 D) A –(-6)

Afootball is throw by a quarterback to a receiver

Factor the polynomial expression x6 – x3 – 20

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