1. 1.Configure your audio From the Tools menu, click Audio  Audio Setup Wizard… and follow the directions OR Click the Blue microphone with the red asterisk in the top right of the Audio & Video box. 2.Set your connection speed PC: Edit menu  Preferences  Session  Connection MAC: Blackboard Collaborate  Preferences  Session  Connection

2. Chapter 13 REVIEW Rational Expressions and Equations

3. Peer&ٍSelf Check: (Correct and Defend).

4. Give the restriction on x for the following rational expression.

5. Simplify. Either solve the given equation or perform the indicated operation.

6. Perform the indicated operations and then simplify.

7. Solve for the indicated variable:

8. The maximum weight that a circular column can support is directly proportional to the fourth power of its diameter and is inversely proportional to the square of its height. A 2- meter diameter column that is 8 meters in height can support a 1 ton. Find the weight that a 1-meter-diameter column that is 4 meters in height can support.

9. A carpenter and his partner can put up a patio cover in 3 and 3/7 hours. If the partner needs 8 hours to complete the patio alone, how long would it take the carpenter working alone?

10. A boat can travel 9 miles upstream in the same amount of time it takes to travel 11 miles downstream. If the current of the river is 3 miles per hour, fin the speed of the boat in still water. Distance = Rate x Time Upstream9r - 3 Downstream11r + 3