8. Which of the following is greater than - 78? A. -718 B. -79 C. -1000 D.O 9. What is the number at the middle of the number line? A. - 1 B. O C. +1 D. +100 10. The numbers located at the left of zero in the number line. A. positive numbers C. negative numbers B. fraction D. counting numbers 11. What is the number found 17 units to the left from +2? A. -17 B. +17 C. -15 D. +19