Question 3.3. Solve the inequality. 3 – 2a > 7 (Points : 4)   a < –2   a < 2   a > –2   a > 2 Question 4.4. Solve the inequality. 3m ≀–9 (Points : 4)   m β‰₯–3   m ≀–6   m ≀–3   m β‰₯ 6 Question 5.5. Select the inequality that models the problem. The sum of two consecutive odd integers is at least 76. Find the least possible pair of integers. (Points : 4)   n + n + 1 > 76   n + n + 1 β‰₯ 76   n + n + 2 > 76   n + n + 2 β‰₯ 76 Question 6.6. Solve the inequality. |x + 6| > 15 (Points : 4)   x > –21 or x < 9   x < –21 or x > 9   –9 < x < 9   –21 < x < 9 Question 7.7. Solve the conjunction and describe the solution set. –5 ≀ 3m + 1 < 4 (Points : 4)   m β‰₯–2 and m < 1   m ≀–2 or m > 1   m β‰₯  and m <    m β‰₯  or m < Question 8.8. Which expression is equivalent to |x| > 9? (Points : 4)   x < –9 or x > 9   x > –9 or x < 9   x < –9 and x > 9   x > –9 and x < 9 Question 9.9. Solve the equation. |x + 5| = 9 (Points : 4)   {–14, 4}   {–4, 14}   {4, 14}   {–14, –4} Question 10.10. Which of the following inequalities can be used to represent a number x that is greater than –5 and less than 3? (Points : 4)   –5 ≀ x ≀ 3   –5 < x < 3   –5 ≀ x < 3   –5 < x ≀ 3 Question 11.11. Which expression represents that an unknown number x exceeds 6? (Points : 4)   x ≀ 6   x < 6   x > 6   x β‰₯ 6

please do numbers 8,10,12,14,16IMG_3472.jpgIMG_3473.JPG

in 1940 a certain country population was 75,40,782 and it area was 2828,455 squre miles. Find the population density of the country to the nearest 10th express people per square kilometers