3. Which of the following is equal to the given expression above? A. 12 + 5-8 C. 12 x 6 - 8 B. 12 + 6 - 8 D. (12 + 2) × (3 - 8) 4. Which of the following is correct answer to the expression above? A. 9 B. 10 C. 34 D. 64 5. In the number sentence, 1 x 10 - 12 + 3 + 10 = N, what is N? A. 15 B. 16 C. 17 D. 18 For numbers 6-8. Which of the following is a composite number? A. 41 6. B. 43 C. 47 D. 49 A. 65 7. B. 67 C. 73 D. 79 8. B. 23 A. 19 C. 28 D. 37 ​