1. Solve and graph on number line.

2. 2(m + 3.2) + 0.1(2.6m -.2) = 12.8

3. Solve and graph on number line. 2[5x  (3x  4)] < 3(2x + 3)

4. Solve and graph on number line.  9  4x + 3  11

5. Solve and graph on number line. 16x  32 or  5x   40

6. Solve and graph on number line. 9x < 54 and  4x < 12

7. Solve and graph on number line. 6(x + 2)  24 or 5x + 10  15

8. Solve each inequality. Graph the solutions. 3  2x + 6  > 36

9. Solve each inequality. Graph the solutions.  3x  2  + 7  11

10. Solve each inequality. Graph the solutions. 5  2b + 1   3  7

11. Solve each inequality. Graph the solutions.  3  7m  8  < 5

12. Solve each equation. Check for extraneous solutions.  3x + 6  =  12

13. Solve each equation. Check for extraneous solutions.  z  1  = 7z  13

14. Solve for E.

15. The sides of a triangle are in the ratio 2:4:6. What is the length of each side if the perimeter is 100 cm? Round to the nearest tenth if necessary.

16. The lateral surface area of a cylinder is given by the formula S=2πrh. Solve for r. Then use your new formula to find the radius if the lateral surface area is 200 square inches and the height is 5 inches.

17. Water pressure increases 4.3 psi for each 10 foot increase in depth. Write a formula that relates pressure in square inches at depth h (in tens of feet) and an atmospheric pressure of 14.7 psi. The find your pressure after diving 30 feet down. Atmospheric pressure is your starting pressure before you dive into the water.