Two vectors a and b are given. Determine the dot products a ⋅ b and a ⋅ a:
a = i + 29j, b = 15i + j

• A. a ⋅ b = 44, a ⋅ a = 842
• B. a ⋅ b = 14, a ⋅ a = 44
• C. a ⋅ b = -14, a ⋅ a = -842
• D. a ⋅ b = -1, a ⋅ a = -14

Answer: (A)