This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Here's the solution for question 13a: a) Given sets: B = \letters of the word 'ball'\ C = \letters of the word 'small'\ Step 1: List the elements of set B. The unique letters in the word 'ball' are b, a, l. B = \b, a, l\ Step 2: List the elements of set C. The unique letters in the word 'small' are s, m, a, l. C = \s, m, a, l\ Step 3: Find the common elements (intersection) of B and C. The elements that are present in both set B and set C are a and l. B C = \a, l\ That's 2 down. 3 left today — send the next one.