zooskatoosk zooskatoosk 20-11-2020 Mathematics contestada Let r = ⟨7, 1⟩, s = ⟨–6, 2⟩, and t = ⟨–9, –3⟩. What is 10r + s – t? a) ⟨55, 9⟩ b) ⟨55, 15⟩ c) ⟨73, 6⟩ d) ⟨73, 15⟩
