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.
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You're on a roll — Here are the solutions to the problems: a) Step 1: Solve the expression inside the parentheses. 2 + 1 = 3 Step 2: Multiply the result by -4. -4 × 3 = -12 The final answer is -12. b) Step 1: Solve the expression inside the parentheses. 3 + 6 = 9 Step 2: Multiply the result by -5. -5 × 9 = -45 The final answer is -45. c) Step 1: Solve the expression inside the parentheses. -2 + 1 = -1 Step 2: Multiply the result by 4. 4 × -1 = -4 The final answer is -4. d) Step 1: Solve the expression inside the parentheses. -3 + 6 = 3 Step 2: Multiply the result by 5. 5 × 3 = 15 The final answer is 15. e) Step 1: Solve the expression inside the parentheses. 2 + -1 = 1 Step 2: Multiply the result by 4. 4 × 1 = 4 The final answer is 4. f) Step 1: Solve the expression inside the parentheses. 3 + -6 = -3 Step 2: Multiply the result by 5. 5 × -3 = -15 The final answer is -15. g) Step 1: Solve each multiplication within the parentheses. -3 × 2 = -6 -3 × 4 = -12 Step 2: Add the two results. -6 + (-12) = -6 - 12 = -18 The final answer is -18. h) Step 1: Solve each multiplication within the parentheses. -7 × 1 = -7 -7 × 4 = -28 Step 2: Add the two results. -7 + (-28) = -7 - 28 = -35 The final answer is -35. i) Step 1: Solve each multiplication within the parentheses. 8 × -4 = -32 8 × 2 = 16 Step 2: Add the two results. -32 + 16 = -16 The final answer is -16. Drop the next question.