1. -5 + -9 2. (-7)*(-8)= 3. 17 - (-8) = 4. What is: i. 9+9 = ii. 9-9 = iii.-9 -9 = iv. 9 - (-9) = v. -9-(-9) = 5. Evaluate -5 + 4 - 8 = 6. Evaluate: 4 + 3^2 + 9 ÷ 3 / 2^2 7. Evaluate: (-4)^2 - (-4) + 10 . 3 + 2 = 8. What is the LCM of the numbers 2,6,9? 9. Are all natural numbers are integers? a. true b. False C. sometimes d. impossible to tell 10. Which below is the irrational number? a. π b. 1/3 с. 0 d. 0.5